28561860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{6899}}^1$

素因数の和:6937

約数の個数: 72

約数和(自身を含む): 90417600

約数和(自身を除く): 61855740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 6899, 13798, 20697, 27596, 34495, 41394, 62091, 68990, 82788, 103485, 124182, 137980, 158677, 206970, 248364, 310455, 317354, 413940, 476031, 620910, 634708, 793385, 952062, 1241820, 1428093, 1586770, 1904124, 2380155, 2856186, 3173540, 4760310, 5712372, 7140465, 9520620, 14280930, 28561860]

約数ペア:

[(1, 28561860), (2, 14280930), (3, 9520620), (4, 7140465), (5, 5712372), (6, 4760310), (9, 3173540), (10, 2856186), (12, 2380155), (15, 1904124), (18, 1586770), (20, 1428093), (23, 1241820), (30, 952062), (36, 793385), (45, 634708), (46, 620910), (60, 476031), (69, 413940), (90, 317354), (92, 310455), (115, 248364), (138, 206970), (180, 158677), (207, 137980), (230, 124182), (276, 103485), (345, 82788), (414, 68990), (460, 62091), (690, 41394), (828, 34495), (1035, 27596), (1380, 20697), (2070, 13798), (4140, 6899)]