2641551720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{151}}^1\times {\mathrm{1997}}^1$

素因数の和:2235

約数の個数: 128

約数和(自身を含む): 8090461440

約数和(自身を除く): 5448909720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 73, 120, 146, 151, 219, 292, 302, 365, 438, 453, 584, 604, 730, 755, 876, 906, 1095, 1208, 1460, 1510, 1752, 1812, 1997, 2190, 2265, 2920, 3020, 3624, 3994, 4380, 4530, 5991, 6040, 7988, 8760, 9060, 9985, 11023, 11982, 15976, 18120, 19970, 22046, 23964, 29955, 33069, 39940, 44092, 47928, 55115, 59910, 66138, 79880, 88184, 110230, 119820, 132276, 145781, 165345, 220460, 239640, 264552, 291562, 301547, 330690, 437343, 440920, 583124, 603094, 661380, 728905, 874686, 904641, 1166248, 1206188, 1322760, 1457810, 1507735, 1749372, 1809282, 2186715, 2412376, 2915620, 3015470, 3498744, 3618564, 4373430, 4523205, 5831240, 6030940, 7237128, 8746860, 9046410, 12061880, 17493720, 18092820, 22012931, 36185640, 44025862, 66038793, 88051724, 110064655, 132077586, 176103448, 220129310, 264155172, 330193965, 440258620, 528310344, 660387930, 880517240, 1320775860, 2641551720]

約数ペア:

[(1, 2641551720), (2, 1320775860), (3, 880517240), (4, 660387930), (5, 528310344), (6, 440258620), (8, 330193965), (10, 264155172), (12, 220129310), (15, 176103448), (20, 132077586), (24, 110064655), (30, 88051724), (40, 66038793), (60, 44025862), (73, 36185640), (120, 22012931), (146, 18092820), (151, 17493720), (219, 12061880), (292, 9046410), (302, 8746860), (365, 7237128), (438, 6030940), (453, 5831240), (584, 4523205), (604, 4373430), (730, 3618564), (755, 3498744), (876, 3015470), (906, 2915620), (1095, 2412376), (1208, 2186715), (1460, 1809282), (1510, 1749372), (1752, 1507735), (1812, 1457810), (1997, 1322760), (2190, 1206188), (2265, 1166248), (2920, 904641), (3020, 874686), (3624, 728905), (3994, 661380), (4380, 603094), (4530, 583124), (5991, 440920), (6040, 437343), (7988, 330690), (8760, 301547), (9060, 291562), (9985, 264552), (11023, 239640), (11982, 220460), (15976, 165345), (18120, 145781), (19970, 132276), (22046, 119820), (23964, 110230), (29955, 88184), (33069, 79880), (39940, 66138), (44092, 59910), (47928, 55115)]