285215280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{307}}^1$

素因数の和:416

約数の個数: 240

約数和(自身を含む): 1044933120

約数和(自身を除く): 759717840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 49, 56, 60, 70, 79, 80, 84, 98, 105, 112, 120, 140, 147, 158, 168, 196, 210, 237, 240, 245, 280, 294, 307, 316, 336, 392, 395, 420, 474, 490, 553, 560, 588, 614, 632, 735, 784, 790, 840, 921, 948, 980, 1106, 1176, 1185, 1228, 1264, 1470, 1535, 1580, 1659, 1680, 1842, 1896, 1960, 2149, 2212, 2352, 2370, 2456, 2765, 2940, 3070, 3160, 3318, 3684, 3792, 3871, 3920, 4298, 4424, 4605, 4740, 4912, 5530, 5880, 6140, 6320, 6447, 6636, 7368, 7742, 8295, 8596, 8848, 9210, 9480, 10745, 11060, 11613, 11760, 12280, 12894, 13272, 14736, 15043, 15484, 16590, 17192, 18420, 18960, 19355, 21490, 22120, 23226, 24253, 24560, 25788, 26544, 30086, 30968, 32235, 33180, 34384, 36840, 38710, 42980, 44240, 45129, 46452, 48506, 51576, 58065, 60172, 61936, 64470, 66360, 72759, 73680, 75215, 77420, 85960, 90258, 92904, 97012, 103152, 116130, 120344, 121265, 128940, 132720, 145518, 150430, 154840, 169771, 171920, 180516, 185808, 194024, 225645, 232260, 240688, 242530, 257880, 291036, 300860, 309680, 339542, 361032, 363795, 388048, 451290, 464520, 485060, 509313, 515760, 582072, 601720, 679084, 722064, 727590, 848855, 902580, 929040, 970120, 1018626, 1164144, 1188397, 1203440, 1358168, 1455180, 1697710, 1805160, 1940240, 2037252, 2376794, 2546565, 2716336, 2910360, 3395420, 3565191, 3610320, 4074504, 4753588, 5093130, 5820720, 5941985, 6790840, 7130382, 8149008, 9507176, 10186260, 11883970, 13581680, 14260764, 17825955, 19014352, 20372520, 23767940, 28521528, 35651910, 40745040, 47535880, 57043056, 71303820, 95071760, 142607640, 285215280]

約数ペア:

[(1, 285215280), (2, 142607640), (3, 95071760), (4, 71303820), (5, 57043056), (6, 47535880), (7, 40745040), (8, 35651910), (10, 28521528), (12, 23767940), (14, 20372520), (15, 19014352), (16, 17825955), (20, 14260764), (21, 13581680), (24, 11883970), (28, 10186260), (30, 9507176), (35, 8149008), (40, 7130382), (42, 6790840), (48, 5941985), (49, 5820720), (56, 5093130), (60, 4753588), (70, 4074504), (79, 3610320), (80, 3565191), (84, 3395420), (98, 2910360), (105, 2716336), (112, 2546565), (120, 2376794), (140, 2037252), (147, 1940240), (158, 1805160), (168, 1697710), (196, 1455180), (210, 1358168), (237, 1203440), (240, 1188397), (245, 1164144), (280, 1018626), (294, 970120), (307, 929040), (316, 902580), (336, 848855), (392, 727590), (395, 722064), (420, 679084), (474, 601720), (490, 582072), (553, 515760), (560, 509313), (588, 485060), (614, 464520), (632, 451290), (735, 388048), (784, 363795), (790, 361032), (840, 339542), (921, 309680), (948, 300860), (980, 291036), (1106, 257880), (1176, 242530), (1185, 240688), (1228, 232260), (1264, 225645), (1470, 194024), (1535, 185808), (1580, 180516), (1659, 171920), (1680, 169771), (1842, 154840), (1896, 150430), (1960, 145518), (2149, 132720), (2212, 128940), (2352, 121265), (2370, 120344), (2456, 116130), (2765, 103152), (2940, 97012), (3070, 92904), (3160, 90258), (3318, 85960), (3684, 77420), (3792, 75215), (3871, 73680), (3920, 72759), (4298, 66360), (4424, 64470), (4605, 61936), (4740, 60172), (4912, 58065), (5530, 51576), (5880, 48506), (6140, 46452), (6320, 45129), (6447, 44240), (6636, 42980), (7368, 38710), (7742, 36840), (8295, 34384), (8596, 33180), (8848, 32235), (9210, 30968), (9480, 30086), (10745, 26544), (11060, 25788), (11613, 24560), (11760, 24253), (12280, 23226), (12894, 22120), (13272, 21490), (14736, 19355), (15043, 18960), (15484, 18420), (16590, 17192)]