388616280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{10831}}^1$

素因数の和:10881

約数の個数: 128

約数和(自身を含む): 1310238720

約数和(自身を除く): 921622440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 8970, 10831, 11960, 17940, 21662, 32493, 35880, 43324, 54155, 64986, 86648, 108310, 129972, 140803, 162465, 216620, 249113, 259944, 281606, 324930, 422409, 433240, 498226, 563212, 649860, 704015, 747339, 844818, 996452, 1126424, 1245565, 1299720, 1408030, 1494678, 1689636, 1992904, 2112045, 2491130, 2816060, 2989356, 3238469, 3379272, 3736695, 4224090, 4982260, 5632120, 5978712, 6476938, 7473390, 8448180, 9715407, 9964520, 12953876, 14946780, 16192345, 16896360, 19430814, 25907752, 29893560, 32384690, 38861628, 48577035, 64769380, 77723256, 97154070, 129538760, 194308140, 388616280]

約数ペア:

[(1, 388616280), (2, 194308140), (3, 129538760), (4, 97154070), (5, 77723256), (6, 64769380), (8, 48577035), (10, 38861628), (12, 32384690), (13, 29893560), (15, 25907752), (20, 19430814), (23, 16896360), (24, 16192345), (26, 14946780), (30, 12953876), (39, 9964520), (40, 9715407), (46, 8448180), (52, 7473390), (60, 6476938), (65, 5978712), (69, 5632120), (78, 4982260), (92, 4224090), (104, 3736695), (115, 3379272), (120, 3238469), (130, 2989356), (138, 2816060), (156, 2491130), (184, 2112045), (195, 1992904), (230, 1689636), (260, 1494678), (276, 1408030), (299, 1299720), (312, 1245565), (345, 1126424), (390, 996452), (460, 844818), (520, 747339), (552, 704015), (598, 649860), (690, 563212), (780, 498226), (897, 433240), (920, 422409), (1196, 324930), (1380, 281606), (1495, 259944), (1560, 249113), (1794, 216620), (2392, 162465), (2760, 140803), (2990, 129972), (3588, 108310), (4485, 86648), (5980, 64986), (7176, 54155), (8970, 43324), (10831, 35880), (11960, 32493), (17940, 21662)]