80742720

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{151}}^1\times {\mathrm{557}}^1$

素因数の和:728

約数の個数: 112

約数和(自身を含む): 258519168

約数和(自身を除く): 177776448

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 151, 160, 192, 240, 302, 320, 453, 480, 557, 604, 755, 906, 960, 1114, 1208, 1510, 1671, 1812, 2228, 2265, 2416, 2785, 3020, 3342, 3624, 4456, 4530, 4832, 5570, 6040, 6684, 7248, 8355, 8912, 9060, 9664, 11140, 12080, 13368, 14496, 16710, 17824, 18120, 22280, 24160, 26736, 28992, 33420, 35648, 36240, 44560, 48320, 53472, 66840, 72480, 84107, 89120, 106944, 133680, 144960, 168214, 178240, 252321, 267360, 336428, 420535, 504642, 534720, 672856, 841070, 1009284, 1261605, 1345712, 1682140, 2018568, 2523210, 2691424, 3364280, 4037136, 5046420, 5382848, 6728560, 8074272, 10092840, 13457120, 16148544, 20185680, 26914240, 40371360, 80742720]

約数ペア:

[(1, 80742720), (2, 40371360), (3, 26914240), (4, 20185680), (5, 16148544), (6, 13457120), (8, 10092840), (10, 8074272), (12, 6728560), (15, 5382848), (16, 5046420), (20, 4037136), (24, 3364280), (30, 2691424), (32, 2523210), (40, 2018568), (48, 1682140), (60, 1345712), (64, 1261605), (80, 1009284), (96, 841070), (120, 672856), (151, 534720), (160, 504642), (192, 420535), (240, 336428), (302, 267360), (320, 252321), (453, 178240), (480, 168214), (557, 144960), (604, 133680), (755, 106944), (906, 89120), (960, 84107), (1114, 72480), (1208, 66840), (1510, 53472), (1671, 48320), (1812, 44560), (2228, 36240), (2265, 35648), (2416, 33420), (2785, 28992), (3020, 26736), (3342, 24160), (3624, 22280), (4456, 18120), (4530, 17824), (4832, 16710), (5570, 14496), (6040, 13368), (6684, 12080), (7248, 11140), (8355, 9664), (8912, 9060)]