71784840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:907

約数の個数: 128

約数和(自身を含む): 232243200

約数和(自身を除く): 160458360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 31, 40, 46, 60, 62, 69, 92, 93, 115, 120, 124, 138, 155, 184, 186, 230, 248, 276, 310, 345, 372, 460, 465, 552, 620, 690, 713, 744, 839, 920, 930, 1240, 1380, 1426, 1678, 1860, 2139, 2517, 2760, 2852, 3356, 3565, 3720, 4195, 4278, 5034, 5704, 6712, 7130, 8390, 8556, 10068, 10695, 12585, 14260, 16780, 17112, 19297, 20136, 21390, 25170, 26009, 28520, 33560, 38594, 42780, 50340, 52018, 57891, 77188, 78027, 85560, 96485, 100680, 104036, 115782, 130045, 154376, 156054, 192970, 208072, 231564, 260090, 289455, 312108, 385940, 390135, 463128, 520180, 578910, 598207, 624216, 771880, 780270, 1040360, 1157820, 1196414, 1560540, 1794621, 2315640, 2392828, 2991035, 3121080, 3589242, 4785656, 5982070, 7178484, 8973105, 11964140, 14356968, 17946210, 23928280, 35892420, 71784840]

約数ペア:

[(1, 71784840), (2, 35892420), (3, 23928280), (4, 17946210), (5, 14356968), (6, 11964140), (8, 8973105), (10, 7178484), (12, 5982070), (15, 4785656), (20, 3589242), (23, 3121080), (24, 2991035), (30, 2392828), (31, 2315640), (40, 1794621), (46, 1560540), (60, 1196414), (62, 1157820), (69, 1040360), (92, 780270), (93, 771880), (115, 624216), (120, 598207), (124, 578910), (138, 520180), (155, 463128), (184, 390135), (186, 385940), (230, 312108), (248, 289455), (276, 260090), (310, 231564), (345, 208072), (372, 192970), (460, 156054), (465, 154376), (552, 130045), (620, 115782), (690, 104036), (713, 100680), (744, 96485), (839, 85560), (920, 78027), (930, 77188), (1240, 57891), (1380, 52018), (1426, 50340), (1678, 42780), (1860, 38594), (2139, 33560), (2517, 28520), (2760, 26009), (2852, 25170), (3356, 21390), (3565, 20136), (3720, 19297), (4195, 17112), (4278, 16780), (5034, 14260), (5704, 12585), (6712, 10695), (7130, 10068), (8390, 8556)]