65514680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:357

約数の個数: 128

約数和(自身を含む): 186624000

約数和(自身を除く): 121109320

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 89, 110, 140, 154, 178, 220, 239, 280, 308, 356, 385, 440, 445, 478, 616, 623, 712, 770, 890, 956, 979, 1195, 1246, 1540, 1673, 1780, 1912, 1958, 2390, 2492, 2629, 3080, 3115, 3346, 3560, 3916, 4780, 4895, 4984, 5258, 6230, 6692, 6853, 7832, 8365, 9560, 9790, 10516, 12460, 13145, 13384, 13706, 16730, 18403, 19580, 21032, 21271, 24920, 26290, 27412, 33460, 34265, 36806, 39160, 42542, 52580, 54824, 66920, 68530, 73612, 85084, 92015, 105160, 106355, 137060, 147224, 148897, 170168, 184030, 212710, 233981, 274120, 297794, 368060, 425420, 467962, 595588, 736120, 744485, 850840, 935924, 1169905, 1191176, 1488970, 1637867, 1871848, 2339810, 2977940, 3275734, 4679620, 5955880, 6551468, 8189335, 9359240, 13102936, 16378670, 32757340, 65514680]

約数ペア:

[(1, 65514680), (2, 32757340), (4, 16378670), (5, 13102936), (7, 9359240), (8, 8189335), (10, 6551468), (11, 5955880), (14, 4679620), (20, 3275734), (22, 2977940), (28, 2339810), (35, 1871848), (40, 1637867), (44, 1488970), (55, 1191176), (56, 1169905), (70, 935924), (77, 850840), (88, 744485), (89, 736120), (110, 595588), (140, 467962), (154, 425420), (178, 368060), (220, 297794), (239, 274120), (280, 233981), (308, 212710), (356, 184030), (385, 170168), (440, 148897), (445, 147224), (478, 137060), (616, 106355), (623, 105160), (712, 92015), (770, 85084), (890, 73612), (956, 68530), (979, 66920), (1195, 54824), (1246, 52580), (1540, 42542), (1673, 39160), (1780, 36806), (1912, 34265), (1958, 33460), (2390, 27412), (2492, 26290), (2629, 24920), (3080, 21271), (3115, 21032), (3346, 19580), (3560, 18403), (3916, 16730), (4780, 13706), (4895, 13384), (4984, 13145), (5258, 12460), (6230, 10516), (6692, 9790), (6853, 9560), (7832, 8365)]