15382760

素因数分解:

$2^3\times 5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{149}}^1$

素因数の和:278

約数の個数: 64

約数和(自身を含む): 36450000

約数和(自身を除く): 21067240

約数列:

[1, 2, 4, 5, 8, 10, 20, 29, 40, 58, 89, 116, 145, 149, 178, 232, 290, 298, 356, 445, 580, 596, 712, 745, 890, 1160, 1192, 1490, 1780, 2581, 2980, 3560, 4321, 5162, 5960, 8642, 10324, 12905, 13261, 17284, 20648, 21605, 25810, 26522, 34568, 43210, 51620, 53044, 66305, 86420, 103240, 106088, 132610, 172840, 265220, 384569, 530440, 769138, 1538276, 1922845, 3076552, 3845690, 7691380, 15382760]

約数ペア:

[(1, 15382760), (2, 7691380), (4, 3845690), (5, 3076552), (8, 1922845), (10, 1538276), (20, 769138), (29, 530440), (40, 384569), (58, 265220), (89, 172840), (116, 132610), (145, 106088), (149, 103240), (178, 86420), (232, 66305), (290, 53044), (298, 51620), (356, 43210), (445, 34568), (580, 26522), (596, 25810), (712, 21605), (745, 20648), (890, 17284), (1160, 13261), (1192, 12905), (1490, 10324), (1780, 8642), (2581, 5960), (2980, 5162), (3560, 4321)]