25168080

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:305

約数の個数: 160

約数和(自身を含む): 90851328

約数和(自身を除く): 65683248

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, 211, 213, 240, 280, 284, 336, 355, 420, 422, 426, 497, 560, 568, 633, 710, 840, 844, 852, 994, 1055, 1065, 1136, 1266, 1420, 1477, 1491, 1680, 1688, 1704, 1988, 2110, 2130, 2485, 2532, 2840, 2954, 2982, 3165, 3376, 3408, 3976, 4220, 4260, 4431, 4970, 5064, 5680, 5908, 5964, 6330, 7385, 7455, 7952, 8440, 8520, 8862, 9940, 10128, 11816, 11928, 12660, 14770, 14910, 14981, 16880, 17040, 17724, 19880, 22155, 23632, 23856, 25320, 29540, 29820, 29962, 35448, 39760, 44310, 44943, 50640, 59080, 59640, 59924, 70896, 74905, 88620, 89886, 104867, 118160, 119280, 119848, 149810, 177240, 179772, 209734, 224715, 239696, 299620, 314601, 354480, 359544, 419468, 449430, 524335, 599240, 629202, 719088, 838936, 898860, 1048670, 1198480, 1258404, 1573005, 1677872, 1797720, 2097340, 2516808, 3146010, 3595440, 4194680, 5033616, 6292020, 8389360, 12584040, 25168080]

約数ペア:

[(1, 25168080), (2, 12584040), (3, 8389360), (4, 6292020), (5, 5033616), (6, 4194680), (7, 3595440), (8, 3146010), (10, 2516808), (12, 2097340), (14, 1797720), (15, 1677872), (16, 1573005), (20, 1258404), (21, 1198480), (24, 1048670), (28, 898860), (30, 838936), (35, 719088), (40, 629202), (42, 599240), (48, 524335), (56, 449430), (60, 419468), (70, 359544), (71, 354480), (80, 314601), (84, 299620), (105, 239696), (112, 224715), (120, 209734), (140, 179772), (142, 177240), (168, 149810), (210, 119848), (211, 119280), (213, 118160), (240, 104867), (280, 89886), (284, 88620), (336, 74905), (355, 70896), (420, 59924), (422, 59640), (426, 59080), (497, 50640), (560, 44943), (568, 44310), (633, 39760), (710, 35448), (840, 29962), (844, 29820), (852, 29540), (994, 25320), (1055, 23856), (1065, 23632), (1136, 22155), (1266, 19880), (1420, 17724), (1477, 17040), (1491, 16880), (1680, 14981), (1688, 14910), (1704, 14770), (1988, 12660), (2110, 11928), (2130, 11816), (2485, 10128), (2532, 9940), (2840, 8862), (2954, 8520), (2982, 8440), (3165, 7952), (3376, 7455), (3408, 7385), (3976, 6330), (4220, 5964), (4260, 5908), (4431, 5680), (4970, 5064)]