15625680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 56567808

約数和(自身を除く): 40942128

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, 131, 140, 142, 168, 210, 213, 240, 262, 280, 284, 336, 355, 393, 420, 426, 497, 524, 560, 568, 655, 710, 786, 840, 852, 917, 994, 1048, 1065, 1136, 1310, 1420, 1491, 1572, 1680, 1704, 1834, 1965, 1988, 2096, 2130, 2485, 2620, 2751, 2840, 2982, 3144, 3408, 3668, 3930, 3976, 4260, 4585, 4970, 5240, 5502, 5680, 5964, 6288, 7336, 7455, 7860, 7952, 8520, 9170, 9301, 9940, 10480, 11004, 11928, 13755, 14672, 14910, 15720, 17040, 18340, 18602, 19880, 22008, 23856, 27510, 27903, 29820, 31440, 36680, 37204, 39760, 44016, 46505, 55020, 55806, 59640, 65107, 73360, 74408, 93010, 110040, 111612, 119280, 130214, 139515, 148816, 186020, 195321, 220080, 223224, 260428, 279030, 325535, 372040, 390642, 446448, 520856, 558060, 651070, 744080, 781284, 976605, 1041712, 1116120, 1302140, 1562568, 1953210, 2232240, 2604280, 3125136, 3906420, 5208560, 7812840, 15625680]

約数ペア:

[(1, 15625680), (2, 7812840), (3, 5208560), (4, 3906420), (5, 3125136), (6, 2604280), (7, 2232240), (8, 1953210), (10, 1562568), (12, 1302140), (14, 1116120), (15, 1041712), (16, 976605), (20, 781284), (21, 744080), (24, 651070), (28, 558060), (30, 520856), (35, 446448), (40, 390642), (42, 372040), (48, 325535), (56, 279030), (60, 260428), (70, 223224), (71, 220080), (80, 195321), (84, 186020), (105, 148816), (112, 139515), (120, 130214), (131, 119280), (140, 111612), (142, 110040), (168, 93010), (210, 74408), (213, 73360), (240, 65107), (262, 59640), (280, 55806), (284, 55020), (336, 46505), (355, 44016), (393, 39760), (420, 37204), (426, 36680), (497, 31440), (524, 29820), (560, 27903), (568, 27510), (655, 23856), (710, 22008), (786, 19880), (840, 18602), (852, 18340), (917, 17040), (994, 15720), (1048, 14910), (1065, 14672), (1136, 13755), (1310, 11928), (1420, 11004), (1491, 10480), (1572, 9940), (1680, 9301), (1704, 9170), (1834, 8520), (1965, 7952), (1988, 7860), (2096, 7455), (2130, 7336), (2485, 6288), (2620, 5964), (2751, 5680), (2840, 5502), (2982, 5240), (3144, 4970), (3408, 4585), (3668, 4260), (3930, 3976)]