118131520

素因数分解:

$2^6\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1$

素因数の和:492

約数の個数: 112

約数和(自身を含む): 307878480

約数和(自身を除く): 189746960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 73, 80, 104, 130, 146, 160, 208, 260, 292, 320, 365, 389, 416, 520, 584, 730, 778, 832, 949, 1040, 1168, 1460, 1556, 1898, 1945, 2080, 2336, 2920, 3112, 3796, 3890, 4160, 4672, 4745, 5057, 5840, 6224, 7592, 7780, 9490, 10114, 11680, 12448, 15184, 15560, 18980, 20228, 23360, 24896, 25285, 28397, 30368, 31120, 37960, 40456, 50570, 56794, 60736, 62240, 75920, 80912, 101140, 113588, 124480, 141985, 151840, 161824, 202280, 227176, 283970, 303680, 323648, 369161, 404560, 454352, 567940, 738322, 809120, 908704, 1135880, 1476644, 1618240, 1817408, 1845805, 2271760, 2953288, 3691610, 4543520, 5906576, 7383220, 9087040, 11813152, 14766440, 23626304, 29532880, 59065760, 118131520]

約数ペア:

[(1, 118131520), (2, 59065760), (4, 29532880), (5, 23626304), (8, 14766440), (10, 11813152), (13, 9087040), (16, 7383220), (20, 5906576), (26, 4543520), (32, 3691610), (40, 2953288), (52, 2271760), (64, 1845805), (65, 1817408), (73, 1618240), (80, 1476644), (104, 1135880), (130, 908704), (146, 809120), (160, 738322), (208, 567940), (260, 454352), (292, 404560), (320, 369161), (365, 323648), (389, 303680), (416, 283970), (520, 227176), (584, 202280), (730, 161824), (778, 151840), (832, 141985), (949, 124480), (1040, 113588), (1168, 101140), (1460, 80912), (1556, 75920), (1898, 62240), (1945, 60736), (2080, 56794), (2336, 50570), (2920, 40456), (3112, 37960), (3796, 31120), (3890, 30368), (4160, 28397), (4672, 25285), (4745, 24896), (5057, 23360), (5840, 20228), (6224, 18980), (7592, 15560), (7780, 15184), (9490, 12448), (10114, 11680)]