642991040

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{563}}^1$

素因数の和:706

約数の個数: 112

約数和(自身を含む): 1588422528

約数和(自身を除く): 945431488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 83, 86, 160, 166, 172, 215, 320, 332, 344, 415, 430, 563, 664, 688, 830, 860, 1126, 1328, 1376, 1660, 1720, 2252, 2656, 2752, 2815, 3320, 3440, 3569, 4504, 5312, 5630, 6640, 6880, 7138, 9008, 11260, 13280, 13760, 14276, 17845, 18016, 22520, 24209, 26560, 28552, 35690, 36032, 45040, 46729, 48418, 57104, 71380, 90080, 93458, 96836, 114208, 121045, 142760, 180160, 186916, 193672, 228416, 233645, 242090, 285520, 373832, 387344, 467290, 484180, 571040, 747664, 774688, 934580, 968360, 1142080, 1495328, 1549376, 1869160, 1936720, 2009347, 2990656, 3738320, 3873440, 4018694, 7476640, 7746880, 8037388, 10046735, 14953280, 16074776, 20093470, 32149552, 40186940, 64299104, 80373880, 128598208, 160747760, 321495520, 642991040]

約数ペア:

[(1, 642991040), (2, 321495520), (4, 160747760), (5, 128598208), (8, 80373880), (10, 64299104), (16, 40186940), (20, 32149552), (32, 20093470), (40, 16074776), (43, 14953280), (64, 10046735), (80, 8037388), (83, 7746880), (86, 7476640), (160, 4018694), (166, 3873440), (172, 3738320), (215, 2990656), (320, 2009347), (332, 1936720), (344, 1869160), (415, 1549376), (430, 1495328), (563, 1142080), (664, 968360), (688, 934580), (830, 774688), (860, 747664), (1126, 571040), (1328, 484180), (1376, 467290), (1660, 387344), (1720, 373832), (2252, 285520), (2656, 242090), (2752, 233645), (2815, 228416), (3320, 193672), (3440, 186916), (3569, 180160), (4504, 142760), (5312, 121045), (5630, 114208), (6640, 96836), (6880, 93458), (7138, 90080), (9008, 71380), (11260, 57104), (13280, 48418), (13760, 46729), (14276, 45040), (17845, 36032), (18016, 35690), (22520, 28552), (24209, 26560)]