1727432840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2803}}^1$

素因数の和:2923

約数の個数: 128

約数和(自身を含む): 4651499520

約数和(自身を除く): 2924066680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 71, 124, 140, 142, 155, 217, 248, 280, 284, 310, 355, 434, 497, 568, 620, 710, 868, 994, 1085, 1240, 1420, 1736, 1988, 2170, 2201, 2485, 2803, 2840, 3976, 4340, 4402, 4970, 5606, 8680, 8804, 9940, 11005, 11212, 14015, 15407, 17608, 19621, 19880, 22010, 22424, 28030, 30814, 39242, 44020, 56060, 61628, 77035, 78484, 86893, 88040, 98105, 112120, 123256, 154070, 156968, 173786, 196210, 199013, 308140, 347572, 392420, 398026, 434465, 608251, 616280, 695144, 784840, 796052, 868930, 995065, 1216502, 1393091, 1592104, 1737860, 1990130, 2433004, 2786182, 3041255, 3475720, 3980260, 4866008, 5572364, 6082510, 6169403, 6965455, 7960520, 11144728, 12165020, 12338806, 13930910, 24330040, 24677612, 27861820, 30847015, 43185821, 49355224, 55723640, 61694030, 86371642, 123388060, 172743284, 215929105, 246776120, 345486568, 431858210, 863716420, 1727432840]

約数ペア:

[(1, 1727432840), (2, 863716420), (4, 431858210), (5, 345486568), (7, 246776120), (8, 215929105), (10, 172743284), (14, 123388060), (20, 86371642), (28, 61694030), (31, 55723640), (35, 49355224), (40, 43185821), (56, 30847015), (62, 27861820), (70, 24677612), (71, 24330040), (124, 13930910), (140, 12338806), (142, 12165020), (155, 11144728), (217, 7960520), (248, 6965455), (280, 6169403), (284, 6082510), (310, 5572364), (355, 4866008), (434, 3980260), (497, 3475720), (568, 3041255), (620, 2786182), (710, 2433004), (868, 1990130), (994, 1737860), (1085, 1592104), (1240, 1393091), (1420, 1216502), (1736, 995065), (1988, 868930), (2170, 796052), (2201, 784840), (2485, 695144), (2803, 616280), (2840, 608251), (3976, 434465), (4340, 398026), (4402, 392420), (4970, 347572), (5606, 308140), (8680, 199013), (8804, 196210), (9940, 173786), (11005, 156968), (11212, 154070), (14015, 123256), (15407, 112120), (17608, 98105), (19621, 88040), (19880, 86893), (22010, 78484), (22424, 77035), (28030, 61628), (30814, 56060), (39242, 44020)]