15863940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2843}}^1$

素因数の和:2889

約数の個数: 72

約数和(自身を含む): 49690368

約数和(自身を除く): 33826428

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 2843, 5580, 5686, 8529, 11372, 14215, 17058, 25587, 28430, 34116, 42645, 51174, 56860, 85290, 88133, 102348, 127935, 170580, 176266, 255870, 264399, 352532, 440665, 511740, 528798, 793197, 881330, 1057596, 1321995, 1586394, 1762660, 2643990, 3172788, 3965985, 5287980, 7931970, 15863940]

約数ペア:

[(1, 15863940), (2, 7931970), (3, 5287980), (4, 3965985), (5, 3172788), (6, 2643990), (9, 1762660), (10, 1586394), (12, 1321995), (15, 1057596), (18, 881330), (20, 793197), (30, 528798), (31, 511740), (36, 440665), (45, 352532), (60, 264399), (62, 255870), (90, 176266), (93, 170580), (124, 127935), (155, 102348), (180, 88133), (186, 85290), (279, 56860), (310, 51174), (372, 42645), (465, 34116), (558, 28430), (620, 25587), (930, 17058), (1116, 14215), (1395, 11372), (1860, 8529), (2790, 5686), (2843, 5580)]