127480720

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{877}}^1$

素因数の和:992

約数の個数: 80

約数和(自身を含む): 313551360

約数和(自身を除く): 186070640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 79, 80, 92, 115, 158, 184, 230, 316, 368, 395, 460, 632, 790, 877, 920, 1264, 1580, 1754, 1817, 1840, 3160, 3508, 3634, 4385, 6320, 7016, 7268, 8770, 9085, 14032, 14536, 17540, 18170, 20171, 29072, 35080, 36340, 40342, 69283, 70160, 72680, 80684, 100855, 138566, 145360, 161368, 201710, 277132, 322736, 346415, 403420, 554264, 692830, 806840, 1108528, 1385660, 1593509, 1613680, 2771320, 3187018, 5542640, 6374036, 7967545, 12748072, 15935090, 25496144, 31870180, 63740360, 127480720]

約数ペア:

[(1, 127480720), (2, 63740360), (4, 31870180), (5, 25496144), (8, 15935090), (10, 12748072), (16, 7967545), (20, 6374036), (23, 5542640), (40, 3187018), (46, 2771320), (79, 1613680), (80, 1593509), (92, 1385660), (115, 1108528), (158, 806840), (184, 692830), (230, 554264), (316, 403420), (368, 346415), (395, 322736), (460, 277132), (632, 201710), (790, 161368), (877, 145360), (920, 138566), (1264, 100855), (1580, 80684), (1754, 72680), (1817, 70160), (1840, 69283), (3160, 40342), (3508, 36340), (3634, 35080), (4385, 29072), (6320, 20171), (7016, 18170), (7268, 17540), (8770, 14536), (9085, 14032)]