641562240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{821}}^1$

素因数の和:891

約数の個数: 256

約数和(自身を含む): 2293971840

約数和(自身を除く): 1652409600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 37, 40, 44, 48, 55, 60, 64, 66, 74, 80, 88, 96, 110, 111, 120, 128, 132, 148, 160, 165, 176, 185, 192, 220, 222, 240, 264, 296, 320, 330, 352, 370, 384, 407, 440, 444, 480, 528, 555, 592, 640, 660, 704, 740, 814, 821, 880, 888, 960, 1056, 1110, 1184, 1221, 1320, 1408, 1480, 1628, 1642, 1760, 1776, 1920, 2035, 2112, 2220, 2368, 2442, 2463, 2640, 2960, 3256, 3284, 3520, 3552, 4070, 4105, 4224, 4440, 4736, 4884, 4926, 5280, 5920, 6105, 6512, 6568, 7040, 7104, 8140, 8210, 8880, 9031, 9768, 9852, 10560, 11840, 12210, 12315, 13024, 13136, 14208, 16280, 16420, 17760, 18062, 19536, 19704, 21120, 23680, 24420, 24630, 26048, 26272, 27093, 30377, 32560, 32840, 35520, 36124, 39072, 39408, 45155, 48840, 49260, 52096, 52544, 54186, 60754, 65120, 65680, 71040, 72248, 78144, 78816, 90310, 91131, 97680, 98520, 105088, 108372, 121508, 130240, 131360, 135465, 144496, 151885, 156288, 157632, 180620, 182262, 195360, 197040, 216744, 243016, 260480, 262720, 270930, 288992, 303770, 315264, 334147, 361240, 364524, 390720, 394080, 433488, 455655, 486032, 525440, 541860, 577984, 607540, 668294, 722480, 729048, 781440, 788160, 866976, 911310, 972064, 1002441, 1083720, 1155968, 1215080, 1336588, 1444960, 1458096, 1576320, 1670735, 1733952, 1822620, 1944128, 2004882, 2167440, 2430160, 2673176, 2889920, 2916192, 3341470, 3467904, 3645240, 3888256, 4009764, 4334880, 4860320, 5012205, 5346352, 5779840, 5832384, 6682940, 7290480, 8019528, 8669760, 9720640, 10024410, 10692704, 11664768, 13365880, 14580960, 16039056, 17339520, 19441280, 20048820, 21385408, 26731760, 29161920, 32078112, 40097640, 42770816, 53463520, 58323840, 64156224, 80195280, 106927040, 128312448, 160390560, 213854080, 320781120, 641562240]

約数ペア:

[(1, 641562240), (2, 320781120), (3, 213854080), (4, 160390560), (5, 128312448), (6, 106927040), (8, 80195280), (10, 64156224), (11, 58323840), (12, 53463520), (15, 42770816), (16, 40097640), (20, 32078112), (22, 29161920), (24, 26731760), (30, 21385408), (32, 20048820), (33, 19441280), (37, 17339520), (40, 16039056), (44, 14580960), (48, 13365880), (55, 11664768), (60, 10692704), (64, 10024410), (66, 9720640), (74, 8669760), (80, 8019528), (88, 7290480), (96, 6682940), (110, 5832384), (111, 5779840), (120, 5346352), (128, 5012205), (132, 4860320), (148, 4334880), (160, 4009764), (165, 3888256), (176, 3645240), (185, 3467904), (192, 3341470), (220, 2916192), (222, 2889920), (240, 2673176), (264, 2430160), (296, 2167440), (320, 2004882), (330, 1944128), (352, 1822620), (370, 1733952), (384, 1670735), (407, 1576320), (440, 1458096), (444, 1444960), (480, 1336588), (528, 1215080), (555, 1155968), (592, 1083720), (640, 1002441), (660, 972064), (704, 911310), (740, 866976), (814, 788160), (821, 781440), (880, 729048), (888, 722480), (960, 668294), (1056, 607540), (1110, 577984), (1184, 541860), (1221, 525440), (1320, 486032), (1408, 455655), (1480, 433488), (1628, 394080), (1642, 390720), (1760, 364524), (1776, 361240), (1920, 334147), (2035, 315264), (2112, 303770), (2220, 288992), (2368, 270930), (2442, 262720), (2463, 260480), (2640, 243016), (2960, 216744), (3256, 197040), (3284, 195360), (3520, 182262), (3552, 180620), (4070, 157632), (4105, 156288), (4224, 151885), (4440, 144496), (4736, 135465), (4884, 131360), (4926, 130240), (5280, 121508), (5920, 108372), (6105, 105088), (6512, 98520), (6568, 97680), (7040, 91131), (7104, 90310), (8140, 78816), (8210, 78144), (8880, 72248), (9031, 71040), (9768, 65680), (9852, 65120), (10560, 60754), (11840, 54186), (12210, 52544), (12315, 52096), (13024, 49260), (13136, 48840), (14208, 45155), (16280, 39408), (16420, 39072), (17760, 36124), (18062, 35520), (19536, 32840), (19704, 32560), (21120, 30377), (23680, 27093), (24420, 26272), (24630, 26048)]