8407880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:103

約数の個数: 128

約数和(自身を含む): 22982400

約数和(自身を除く): 14574520

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 23, 26, 37, 38, 40, 46, 52, 65, 74, 76, 92, 95, 104, 115, 130, 148, 152, 184, 185, 190, 230, 247, 260, 296, 299, 370, 380, 437, 460, 481, 494, 520, 598, 703, 740, 760, 851, 874, 920, 962, 988, 1196, 1235, 1406, 1480, 1495, 1702, 1748, 1924, 1976, 2185, 2392, 2405, 2470, 2812, 2990, 3404, 3496, 3515, 3848, 4255, 4370, 4810, 4940, 5624, 5681, 5980, 6808, 7030, 8510, 8740, 9139, 9620, 9880, 11063, 11362, 11960, 14060, 16169, 17020, 17480, 18278, 19240, 22126, 22724, 28120, 28405, 32338, 34040, 36556, 44252, 45448, 45695, 55315, 56810, 64676, 73112, 80845, 88504, 91390, 110630, 113620, 129352, 161690, 182780, 210197, 221260, 227240, 323380, 365560, 420394, 442520, 646760, 840788, 1050985, 1681576, 2101970, 4203940, 8407880]

約数ペア:

[(1, 8407880), (2, 4203940), (4, 2101970), (5, 1681576), (8, 1050985), (10, 840788), (13, 646760), (19, 442520), (20, 420394), (23, 365560), (26, 323380), (37, 227240), (38, 221260), (40, 210197), (46, 182780), (52, 161690), (65, 129352), (74, 113620), (76, 110630), (92, 91390), (95, 88504), (104, 80845), (115, 73112), (130, 64676), (148, 56810), (152, 55315), (184, 45695), (185, 45448), (190, 44252), (230, 36556), (247, 34040), (260, 32338), (296, 28405), (299, 28120), (370, 22724), (380, 22126), (437, 19240), (460, 18278), (481, 17480), (494, 17020), (520, 16169), (598, 14060), (703, 11960), (740, 11362), (760, 11063), (851, 9880), (874, 9620), (920, 9139), (962, 8740), (988, 8510), (1196, 7030), (1235, 6808), (1406, 5980), (1480, 5681), (1495, 5624), (1702, 4940), (1748, 4810), (1924, 4370), (1976, 4255), (2185, 3848), (2392, 3515), (2405, 3496), (2470, 3404), (2812, 2990)]