257772240

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1$

素因数の和:623

約数の個数: 320

約数和(自身を含む): 1021363200

約数和(自身を除く): 763590960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 27, 30, 33, 36, 38, 40, 44, 45, 48, 54, 55, 57, 60, 66, 72, 76, 80, 88, 90, 95, 99, 108, 110, 114, 120, 132, 135, 144, 152, 165, 171, 176, 180, 190, 198, 209, 216, 220, 228, 240, 264, 270, 285, 297, 304, 330, 342, 360, 380, 396, 418, 432, 440, 456, 495, 513, 528, 540, 570, 571, 594, 627, 660, 684, 720, 760, 792, 836, 855, 880, 912, 990, 1026, 1045, 1080, 1140, 1142, 1188, 1254, 1320, 1368, 1485, 1520, 1584, 1672, 1710, 1713, 1881, 1980, 2052, 2090, 2160, 2280, 2284, 2376, 2508, 2565, 2640, 2736, 2855, 2970, 3135, 3344, 3420, 3426, 3762, 3960, 4104, 4180, 4560, 4568, 4752, 5016, 5130, 5139, 5643, 5710, 5940, 6270, 6281, 6840, 6852, 7524, 7920, 8208, 8360, 8565, 9136, 9405, 10032, 10260, 10278, 10849, 11286, 11420, 11880, 12540, 12562, 13680, 13704, 15048, 15417, 16720, 17130, 18810, 18843, 20520, 20556, 21698, 22572, 22840, 23760, 25080, 25124, 25695, 27408, 28215, 30096, 30834, 31405, 32547, 34260, 37620, 37686, 41040, 41112, 43396, 45144, 45680, 50160, 50248, 51390, 54245, 56430, 56529, 61668, 62810, 65094, 68520, 75240, 75372, 77085, 82224, 86792, 90288, 94215, 97641, 100496, 102780, 108490, 112860, 113058, 119339, 123336, 125620, 130188, 137040, 150480, 150744, 154170, 162735, 169587, 173584, 188430, 195282, 205560, 216980, 225720, 226116, 238678, 246672, 251240, 260376, 282645, 292923, 301488, 308340, 325470, 339174, 358017, 376860, 390564, 411120, 433960, 451440, 452232, 477356, 488205, 502480, 520752, 565290, 585846, 596695, 616680, 650940, 678348, 716034, 753720, 781128, 847935, 867920, 904464, 954712, 976410, 1074051, 1130580, 1171692, 1193390, 1233360, 1301880, 1356696, 1432068, 1464615, 1507440, 1562256, 1695870, 1790085, 1909424, 1952820, 2148102, 2261160, 2343384, 2386780, 2603760, 2713392, 2864136, 2929230, 3222153, 3391740, 3580170, 3905640, 4296204, 4522320, 4686768, 4773560, 5370255, 5728272, 5858460, 6444306, 6783480, 7160340, 7811280, 8592408, 9547120, 10740510, 11716920, 12888612, 13566960, 14320680, 16110765, 17184816, 21481020, 23433840, 25777224, 28641360, 32221530, 42962040, 51554448, 64443060, 85924080, 128886120, 257772240]

約数ペア:

[(1, 257772240), (2, 128886120), (3, 85924080), (4, 64443060), (5, 51554448), (6, 42962040), (8, 32221530), (9, 28641360), (10, 25777224), (11, 23433840), (12, 21481020), (15, 17184816), (16, 16110765), (18, 14320680), (19, 13566960), (20, 12888612), (22, 11716920), (24, 10740510), (27, 9547120), (30, 8592408), (33, 7811280), (36, 7160340), (38, 6783480), (40, 6444306), (44, 5858460), (45, 5728272), (48, 5370255), (54, 4773560), (55, 4686768), (57, 4522320), (60, 4296204), (66, 3905640), (72, 3580170), (76, 3391740), (80, 3222153), (88, 2929230), (90, 2864136), (95, 2713392), (99, 2603760), (108, 2386780), (110, 2343384), (114, 2261160), (120, 2148102), (132, 1952820), (135, 1909424), (144, 1790085), (152, 1695870), (165, 1562256), (171, 1507440), (176, 1464615), (180, 1432068), (190, 1356696), (198, 1301880), (209, 1233360), (216, 1193390), (220, 1171692), (228, 1130580), (240, 1074051), (264, 976410), (270, 954712), (285, 904464), (297, 867920), (304, 847935), (330, 781128), (342, 753720), (360, 716034), (380, 678348), (396, 650940), (418, 616680), (432, 596695), (440, 585846), (456, 565290), (495, 520752), (513, 502480), (528, 488205), (540, 477356), (570, 452232), (571, 451440), (594, 433960), (627, 411120), (660, 390564), (684, 376860), (720, 358017), (760, 339174), (792, 325470), (836, 308340), (855, 301488), (880, 292923), (912, 282645), (990, 260376), (1026, 251240), (1045, 246672), (1080, 238678), (1140, 226116), (1142, 225720), (1188, 216980), (1254, 205560), (1320, 195282), (1368, 188430), (1485, 173584), (1520, 169587), (1584, 162735), (1672, 154170), (1710, 150744), (1713, 150480), (1881, 137040), (1980, 130188), (2052, 125620), (2090, 123336), (2160, 119339), (2280, 113058), (2284, 112860), (2376, 108490), (2508, 102780), (2565, 100496), (2640, 97641), (2736, 94215), (2855, 90288), (2970, 86792), (3135, 82224), (3344, 77085), (3420, 75372), (3426, 75240), (3762, 68520), (3960, 65094), (4104, 62810), (4180, 61668), (4560, 56529), (4568, 56430), (4752, 54245), (5016, 51390), (5130, 50248), (5139, 50160), (5643, 45680), (5710, 45144), (5940, 43396), (6270, 41112), (6281, 41040), (6840, 37686), (6852, 37620), (7524, 34260), (7920, 32547), (8208, 31405), (8360, 30834), (8565, 30096), (9136, 28215), (9405, 27408), (10032, 25695), (10260, 25124), (10278, 25080), (10849, 23760), (11286, 22840), (11420, 22572), (11880, 21698), (12540, 20556), (12562, 20520), (13680, 18843), (13704, 18810), (15048, 17130), (15417, 16720)]