251749680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{11527}}^1$

素因数の和:11563

約数の個数: 160

約数和(自身を含む): 960605184

約数和(自身を除く): 708855504

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 16, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 48, 52, 56, 60, 65, 70, 78, 80, 84, 91, 104, 105, 112, 120, 130, 140, 156, 168, 182, 195, 208, 210, 240, 260, 273, 280, 312, 336, 364, 390, 420, 455, 520, 546, 560, 624, 728, 780, 840, 910, 1040, 1092, 1365, 1456, 1560, 1680, 1820, 2184, 2730, 3120, 3640, 4368, 5460, 7280, 10920, 11527, 21840, 23054, 34581, 46108, 57635, 69162, 80689, 92216, 115270, 138324, 149851, 161378, 172905, 184432, 230540, 242067, 276648, 299702, 322756, 345810, 403445, 449553, 461080, 484134, 553296, 599404, 645512, 691620, 749255, 806890, 899106, 922160, 968268, 1048957, 1198808, 1210335, 1291024, 1383240, 1498510, 1613780, 1798212, 1936536, 2097914, 2247765, 2397616, 2420670, 2766480, 2997020, 3146871, 3227560, 3596424, 3873072, 4195828, 4495530, 4841340, 5244785, 5994040, 6293742, 6455120, 7192848, 8391656, 8991060, 9682680, 10489570, 11988080, 12587484, 15734355, 16783312, 17982120, 19365360, 20979140, 25174968, 31468710, 35964240, 41958280, 50349936, 62937420, 83916560, 125874840, 251749680]

約数ペア:

[(1, 251749680), (2, 125874840), (3, 83916560), (4, 62937420), (5, 50349936), (6, 41958280), (7, 35964240), (8, 31468710), (10, 25174968), (12, 20979140), (13, 19365360), (14, 17982120), (15, 16783312), (16, 15734355), (20, 12587484), (21, 11988080), (24, 10489570), (26, 9682680), (28, 8991060), (30, 8391656), (35, 7192848), (39, 6455120), (40, 6293742), (42, 5994040), (48, 5244785), (52, 4841340), (56, 4495530), (60, 4195828), (65, 3873072), (70, 3596424), (78, 3227560), (80, 3146871), (84, 2997020), (91, 2766480), (104, 2420670), (105, 2397616), (112, 2247765), (120, 2097914), (130, 1936536), (140, 1798212), (156, 1613780), (168, 1498510), (182, 1383240), (195, 1291024), (208, 1210335), (210, 1198808), (240, 1048957), (260, 968268), (273, 922160), (280, 899106), (312, 806890), (336, 749255), (364, 691620), (390, 645512), (420, 599404), (455, 553296), (520, 484134), (546, 461080), (560, 449553), (624, 403445), (728, 345810), (780, 322756), (840, 299702), (910, 276648), (1040, 242067), (1092, 230540), (1365, 184432), (1456, 172905), (1560, 161378), (1680, 149851), (1820, 138324), (2184, 115270), (2730, 92216), (3120, 80689), (3640, 69162), (4368, 57635), (5460, 46108), (7280, 34581), (10920, 23054), (11527, 21840)]