251800080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{2111}}^1$

素因数の和:2205

約数の個数: 160

約数和(自身を含む): 905084928

約数和(自身を除く): 653284848

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, 56, 60, 70, 71, 80, 84, 105, 112, 120, 140, 142, 168, 210, 213, 240, 280, 284, 336, 355, 420, 426, 497, 560, 568, 710, 840, 852, 994, 1065, 1136, 1420, 1491, 1680, 1704, 1988, 2111, 2130, 2485, 2840, 2982, 3408, 3976, 4222, 4260, 4970, 5680, 5964, 6333, 7455, 7952, 8444, 8520, 9940, 10555, 11928, 12666, 14777, 14910, 16888, 17040, 19880, 21110, 23856, 25332, 29554, 29820, 31665, 33776, 39760, 42220, 44331, 50664, 59108, 59640, 63330, 73885, 84440, 88662, 101328, 118216, 119280, 126660, 147770, 149881, 168880, 177324, 221655, 236432, 253320, 295540, 299762, 354648, 443310, 449643, 506640, 591080, 599524, 709296, 749405, 886620, 899286, 1049167, 1182160, 1199048, 1498810, 1773240, 1798572, 2098334, 2248215, 2398096, 2997620, 3147501, 3546480, 3597144, 4196668, 4496430, 5245835, 5995240, 6295002, 7194288, 8393336, 8992860, 10491670, 11990480, 12590004, 15737505, 16786672, 17985720, 20983340, 25180008, 31475010, 35971440, 41966680, 50360016, 62950020, 83933360, 125900040, 251800080]

約数ペア:

[(1, 251800080), (2, 125900040), (3, 83933360), (4, 62950020), (5, 50360016), (6, 41966680), (7, 35971440), (8, 31475010), (10, 25180008), (12, 20983340), (14, 17985720), (15, 16786672), (16, 15737505), (20, 12590004), (21, 11990480), (24, 10491670), (28, 8992860), (30, 8393336), (35, 7194288), (40, 6295002), (42, 5995240), (48, 5245835), (56, 4496430), (60, 4196668), (70, 3597144), (71, 3546480), (80, 3147501), (84, 2997620), (105, 2398096), (112, 2248215), (120, 2098334), (140, 1798572), (142, 1773240), (168, 1498810), (210, 1199048), (213, 1182160), (240, 1049167), (280, 899286), (284, 886620), (336, 749405), (355, 709296), (420, 599524), (426, 591080), (497, 506640), (560, 449643), (568, 443310), (710, 354648), (840, 299762), (852, 295540), (994, 253320), (1065, 236432), (1136, 221655), (1420, 177324), (1491, 168880), (1680, 149881), (1704, 147770), (1988, 126660), (2111, 119280), (2130, 118216), (2485, 101328), (2840, 88662), (2982, 84440), (3408, 73885), (3976, 63330), (4222, 59640), (4260, 59108), (4970, 50664), (5680, 44331), (5964, 42220), (6333, 39760), (7455, 33776), (7952, 31665), (8444, 29820), (8520, 29554), (9940, 25332), (10555, 23856), (11928, 21110), (12666, 19880), (14777, 17040), (14910, 16888)]