638350020

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1$

素因数の和:176

約数の個数: 432

約数和(自身を含む): 2509678080

約数和(自身を除く): 1871328060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 53, 55, 60, 63, 66, 70, 77, 79, 84, 90, 99, 105, 106, 110, 121, 126, 132, 140, 154, 158, 159, 165, 180, 198, 210, 212, 220, 231, 237, 242, 252, 265, 308, 315, 316, 318, 330, 363, 371, 385, 395, 396, 420, 462, 474, 477, 484, 495, 530, 553, 583, 605, 630, 636, 660, 693, 711, 726, 742, 770, 790, 795, 847, 869, 924, 948, 954, 990, 1060, 1089, 1106, 1113, 1155, 1166, 1185, 1210, 1260, 1386, 1422, 1452, 1484, 1540, 1580, 1590, 1659, 1694, 1738, 1749, 1815, 1855, 1908, 1980, 2178, 2212, 2226, 2310, 2332, 2370, 2385, 2420, 2541, 2607, 2765, 2772, 2844, 2915, 3180, 3318, 3339, 3388, 3465, 3476, 3498, 3555, 3630, 3710, 4081, 4187, 4235, 4345, 4356, 4452, 4620, 4740, 4770, 4977, 5082, 5214, 5247, 5445, 5530, 5565, 5830, 6083, 6413, 6636, 6678, 6930, 6996, 7110, 7260, 7420, 7623, 7821, 8162, 8295, 8374, 8470, 8690, 8745, 9540, 9559, 9954, 10164, 10428, 10494, 10890, 11060, 11130, 11660, 12166, 12243, 12561, 12705, 12826, 13035, 13356, 13860, 14220, 15246, 15642, 16324, 16590, 16695, 16748, 16940, 17380, 17490, 18249, 19118, 19239, 19908, 20405, 20935, 20988, 21780, 22260, 24332, 24486, 24885, 25122, 25410, 25652, 26070, 26235, 28677, 29309, 30415, 30492, 31284, 32065, 33180, 33390, 34980, 36498, 36729, 37683, 38115, 38236, 38478, 39105, 40810, 41870, 44891, 46057, 47795, 48972, 49770, 50244, 50820, 52140, 52470, 54747, 57354, 57717, 58618, 60830, 61215, 62805, 64130, 66780, 66913, 72996, 73458, 75366, 76230, 76956, 78210, 81620, 83740, 86031, 87927, 89782, 91245, 92114, 95590, 96195, 99540, 104940, 109494, 114708, 115434, 117236, 121660, 122430, 125610, 128260, 133826, 134673, 138171, 143385, 146545, 146916, 150732, 152460, 156420, 172062, 175854, 179564, 182490, 183645, 184228, 188415, 191180, 192390, 200739, 218988, 224455, 230285, 230868, 244860, 251220, 263781, 267652, 269346, 273735, 276342, 286770, 288585, 293090, 322399, 334565, 344124, 351708, 364980, 367290, 376830, 384780, 401478, 404019, 414513, 430155, 439635, 448910, 460570, 506627, 527562, 538692, 547470, 552684, 573540, 577170, 586180, 602217, 644798, 669130, 673365, 690855, 734580, 753660, 802956, 808038, 829026, 860310, 879270, 897820, 921140, 967197, 1003695, 1013254, 1055124, 1094940, 1154340, 1204434, 1289596, 1318905, 1338260, 1346730, 1381710, 1519881, 1611995, 1616076, 1658052, 1720620, 1758540, 1934394, 2007390, 2020095, 2026508, 2072565, 2408868, 2533135, 2637810, 2693460, 2763420, 2901591, 3011085, 3039762, 3223990, 3546389, 3868788, 4014780, 4040190, 4145130, 4559643, 4835985, 5066270, 5275620, 5803182, 6022170, 6079524, 6447980, 7092778, 7599405, 8080380, 8290260, 9119286, 9671970, 10132540, 10639167, 11606364, 12044340, 14185556, 14507955, 15198810, 17731945, 18238572, 19343940, 21278334, 22798215, 29015910, 30397620, 31917501, 35463890, 42556668, 45596430, 53195835, 58031820, 63835002, 70927780, 91192860, 106391670, 127670004, 159587505, 212783340, 319175010, 638350020]

約数ペア:

[(1, 638350020), (2, 319175010), (3, 212783340), (4, 159587505), (5, 127670004), (6, 106391670), (7, 91192860), (9, 70927780), (10, 63835002), (11, 58031820), (12, 53195835), (14, 45596430), (15, 42556668), (18, 35463890), (20, 31917501), (21, 30397620), (22, 29015910), (28, 22798215), (30, 21278334), (33, 19343940), (35, 18238572), (36, 17731945), (42, 15198810), (44, 14507955), (45, 14185556), (53, 12044340), (55, 11606364), (60, 10639167), (63, 10132540), (66, 9671970), (70, 9119286), (77, 8290260), (79, 8080380), (84, 7599405), (90, 7092778), (99, 6447980), (105, 6079524), (106, 6022170), (110, 5803182), (121, 5275620), (126, 5066270), (132, 4835985), (140, 4559643), (154, 4145130), (158, 4040190), (159, 4014780), (165, 3868788), (180, 3546389), (198, 3223990), (210, 3039762), (212, 3011085), (220, 2901591), (231, 2763420), (237, 2693460), (242, 2637810), (252, 2533135), (265, 2408868), (308, 2072565), (315, 2026508), (316, 2020095), (318, 2007390), (330, 1934394), (363, 1758540), (371, 1720620), (385, 1658052), (395, 1616076), (396, 1611995), (420, 1519881), (462, 1381710), (474, 1346730), (477, 1338260), (484, 1318905), (495, 1289596), (530, 1204434), (553, 1154340), (583, 1094940), (605, 1055124), (630, 1013254), (636, 1003695), (660, 967197), (693, 921140), (711, 897820), (726, 879270), (742, 860310), (770, 829026), (790, 808038), (795, 802956), (847, 753660), (869, 734580), (924, 690855), (948, 673365), (954, 669130), (990, 644798), (1060, 602217), (1089, 586180), (1106, 577170), (1113, 573540), (1155, 552684), (1166, 547470), (1185, 538692), (1210, 527562), (1260, 506627), (1386, 460570), (1422, 448910), (1452, 439635), (1484, 430155), (1540, 414513), (1580, 404019), (1590, 401478), (1659, 384780), (1694, 376830), (1738, 367290), (1749, 364980), (1815, 351708), (1855, 344124), (1908, 334565), (1980, 322399), (2178, 293090), (2212, 288585), (2226, 286770), (2310, 276342), (2332, 273735), (2370, 269346), (2385, 267652), (2420, 263781), (2541, 251220), (2607, 244860), (2765, 230868), (2772, 230285), (2844, 224455), (2915, 218988), (3180, 200739), (3318, 192390), (3339, 191180), (3388, 188415), (3465, 184228), (3476, 183645), (3498, 182490), (3555, 179564), (3630, 175854), (3710, 172062), (4081, 156420), (4187, 152460), (4235, 150732), (4345, 146916), (4356, 146545), (4452, 143385), (4620, 138171), (4740, 134673), (4770, 133826), (4977, 128260), (5082, 125610), (5214, 122430), (5247, 121660), (5445, 117236), (5530, 115434), (5565, 114708), (5830, 109494), (6083, 104940), (6413, 99540), (6636, 96195), (6678, 95590), (6930, 92114), (6996, 91245), (7110, 89782), (7260, 87927), (7420, 86031), (7623, 83740), (7821, 81620), (8162, 78210), (8295, 76956), (8374, 76230), (8470, 75366), (8690, 73458), (8745, 72996), (9540, 66913), (9559, 66780), (9954, 64130), (10164, 62805), (10428, 61215), (10494, 60830), (10890, 58618), (11060, 57717), (11130, 57354), (11660, 54747), (12166, 52470), (12243, 52140), (12561, 50820), (12705, 50244), (12826, 49770), (13035, 48972), (13356, 47795), (13860, 46057), (14220, 44891), (15246, 41870), (15642, 40810), (16324, 39105), (16590, 38478), (16695, 38236), (16748, 38115), (16940, 37683), (17380, 36729), (17490, 36498), (18249, 34980), (19118, 33390), (19239, 33180), (19908, 32065), (20405, 31284), (20935, 30492), (20988, 30415), (21780, 29309), (22260, 28677), (24332, 26235), (24486, 26070), (24885, 25652), (25122, 25410)]