15421160

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:330

約数の個数: 64

約数和(自身を含む): 37065600

約数和(自身を除く): 21644440

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 103, 152, 190, 197, 206, 380, 394, 412, 515, 760, 788, 824, 985, 1030, 1576, 1957, 1970, 2060, 3743, 3914, 3940, 4120, 7486, 7828, 7880, 9785, 14972, 15656, 18715, 19570, 20291, 29944, 37430, 39140, 40582, 74860, 78280, 81164, 101455, 149720, 162328, 202910, 385529, 405820, 771058, 811640, 1542116, 1927645, 3084232, 3855290, 7710580, 15421160]

約数ペア:

[(1, 15421160), (2, 7710580), (4, 3855290), (5, 3084232), (8, 1927645), (10, 1542116), (19, 811640), (20, 771058), (38, 405820), (40, 385529), (76, 202910), (95, 162328), (103, 149720), (152, 101455), (190, 81164), (197, 78280), (206, 74860), (380, 40582), (394, 39140), (412, 37430), (515, 29944), (760, 20291), (788, 19570), (824, 18715), (985, 15656), (1030, 14972), (1576, 9785), (1957, 7880), (1970, 7828), (2060, 7486), (3743, 4120), (3914, 3940)]