1997857620

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{269}}^1$

素因数の和:348

約数の個数: 288

約数和(自身を含む): 6906332160

約数和(自身を除く): 4908474540

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 31, 33, 36, 44, 45, 55, 60, 62, 66, 90, 93, 99, 110, 121, 124, 132, 155, 165, 180, 186, 198, 220, 242, 269, 279, 310, 330, 341, 363, 372, 396, 465, 484, 495, 538, 558, 605, 620, 660, 682, 726, 807, 930, 990, 1023, 1076, 1089, 1116, 1210, 1331, 1345, 1364, 1395, 1452, 1614, 1705, 1815, 1860, 1980, 2046, 2178, 2420, 2421, 2662, 2690, 2790, 2959, 3069, 3228, 3410, 3630, 3751, 3993, 4035, 4092, 4356, 4842, 5115, 5324, 5380, 5445, 5580, 5918, 6138, 6655, 6820, 7260, 7502, 7986, 8070, 8339, 8877, 9684, 10230, 10890, 11253, 11836, 11979, 12105, 12276, 13310, 14795, 15004, 15345, 15972, 16140, 16678, 17754, 18755, 19965, 20460, 21780, 22506, 23958, 24210, 25017, 26620, 26631, 29590, 30690, 32549, 33356, 33759, 35508, 37510, 39930, 41261, 41695, 44385, 45012, 47916, 48420, 50034, 53262, 56265, 59180, 59895, 61380, 65098, 67518, 75020, 75051, 79860, 82522, 83390, 88770, 91729, 97647, 100068, 106524, 112530, 119790, 123783, 125085, 130196, 133155, 135036, 150102, 162745, 165044, 166780, 168795, 177540, 183458, 195294, 206305, 225060, 239580, 247566, 250170, 266310, 275187, 292941, 300204, 325490, 337590, 358039, 366916, 371349, 375255, 390588, 412610, 458645, 488235, 495132, 500340, 532620, 550374, 585882, 618915, 650980, 675180, 716078, 742698, 750510, 825220, 825561, 917290, 976470, 1009019, 1074117, 1100748, 1171764, 1237830, 1375935, 1432156, 1464705, 1485396, 1501020, 1651122, 1790195, 1834580, 1856745, 1952940, 2018038, 2148234, 2475660, 2751870, 2929410, 3027057, 3222351, 3302244, 3580390, 3713490, 4036076, 4127805, 4296468, 5045095, 5370585, 5503740, 5858820, 6054114, 6444702, 7160780, 7426980, 8255610, 9081171, 10090190, 10741170, 11099209, 12108228, 12889404, 15135285, 16111755, 16511220, 18162342, 20180380, 21482340, 22198418, 30270570, 32223510, 33297627, 36324684, 44396836, 45405855, 55496045, 60541140, 64447020, 66595254, 90811710, 99892881, 110992090, 133190508, 166488135, 181623420, 199785762, 221984180, 332976270, 399571524, 499464405, 665952540, 998928810, 1997857620]

約数ペア:

[(1, 1997857620), (2, 998928810), (3, 665952540), (4, 499464405), (5, 399571524), (6, 332976270), (9, 221984180), (10, 199785762), (11, 181623420), (12, 166488135), (15, 133190508), (18, 110992090), (20, 99892881), (22, 90811710), (30, 66595254), (31, 64447020), (33, 60541140), (36, 55496045), (44, 45405855), (45, 44396836), (55, 36324684), (60, 33297627), (62, 32223510), (66, 30270570), (90, 22198418), (93, 21482340), (99, 20180380), (110, 18162342), (121, 16511220), (124, 16111755), (132, 15135285), (155, 12889404), (165, 12108228), (180, 11099209), (186, 10741170), (198, 10090190), (220, 9081171), (242, 8255610), (269, 7426980), (279, 7160780), (310, 6444702), (330, 6054114), (341, 5858820), (363, 5503740), (372, 5370585), (396, 5045095), (465, 4296468), (484, 4127805), (495, 4036076), (538, 3713490), (558, 3580390), (605, 3302244), (620, 3222351), (660, 3027057), (682, 2929410), (726, 2751870), (807, 2475660), (930, 2148234), (990, 2018038), (1023, 1952940), (1076, 1856745), (1089, 1834580), (1116, 1790195), (1210, 1651122), (1331, 1501020), (1345, 1485396), (1364, 1464705), (1395, 1432156), (1452, 1375935), (1614, 1237830), (1705, 1171764), (1815, 1100748), (1860, 1074117), (1980, 1009019), (2046, 976470), (2178, 917290), (2420, 825561), (2421, 825220), (2662, 750510), (2690, 742698), (2790, 716078), (2959, 675180), (3069, 650980), (3228, 618915), (3410, 585882), (3630, 550374), (3751, 532620), (3993, 500340), (4035, 495132), (4092, 488235), (4356, 458645), (4842, 412610), (5115, 390588), (5324, 375255), (5380, 371349), (5445, 366916), (5580, 358039), (5918, 337590), (6138, 325490), (6655, 300204), (6820, 292941), (7260, 275187), (7502, 266310), (7986, 250170), (8070, 247566), (8339, 239580), (8877, 225060), (9684, 206305), (10230, 195294), (10890, 183458), (11253, 177540), (11836, 168795), (11979, 166780), (12105, 165044), (12276, 162745), (13310, 150102), (14795, 135036), (15004, 133155), (15345, 130196), (15972, 125085), (16140, 123783), (16678, 119790), (17754, 112530), (18755, 106524), (19965, 100068), (20460, 97647), (21780, 91729), (22506, 88770), (23958, 83390), (24210, 82522), (25017, 79860), (26620, 75051), (26631, 75020), (29590, 67518), (30690, 65098), (32549, 61380), (33356, 59895), (33759, 59180), (35508, 56265), (37510, 53262), (39930, 50034), (41261, 48420), (41695, 47916), (44385, 45012)]