123429840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{8431}}^1$

素因数の和:8508

約数の個数: 80

約数和(自身を含む): 388951296

約数和(自身を除く): 265521456

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 61, 80, 120, 122, 183, 240, 244, 305, 366, 488, 610, 732, 915, 976, 1220, 1464, 1830, 2440, 2928, 3660, 4880, 7320, 8431, 14640, 16862, 25293, 33724, 42155, 50586, 67448, 84310, 101172, 126465, 134896, 168620, 202344, 252930, 337240, 404688, 505860, 514291, 674480, 1011720, 1028582, 1542873, 2023440, 2057164, 2571455, 3085746, 4114328, 5142910, 6171492, 7714365, 8228656, 10285820, 12342984, 15428730, 20571640, 24685968, 30857460, 41143280, 61714920, 123429840]

約数ペア:

[(1, 123429840), (2, 61714920), (3, 41143280), (4, 30857460), (5, 24685968), (6, 20571640), (8, 15428730), (10, 12342984), (12, 10285820), (15, 8228656), (16, 7714365), (20, 6171492), (24, 5142910), (30, 4114328), (40, 3085746), (48, 2571455), (60, 2057164), (61, 2023440), (80, 1542873), (120, 1028582), (122, 1011720), (183, 674480), (240, 514291), (244, 505860), (305, 404688), (366, 337240), (488, 252930), (610, 202344), (732, 168620), (915, 134896), (976, 126465), (1220, 101172), (1464, 84310), (1830, 67448), (2440, 50586), (2928, 42155), (3660, 33724), (4880, 25293), (7320, 16862), (8431, 14640)]