15901280

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:216

約数の個数: 96

約数和(自身を含む): 40824000

約数和(自身を除く): 24922720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 29, 32, 40, 46, 58, 80, 92, 115, 116, 145, 149, 160, 184, 230, 232, 290, 298, 368, 460, 464, 580, 596, 667, 736, 745, 920, 928, 1160, 1192, 1334, 1490, 1840, 2320, 2384, 2668, 2980, 3335, 3427, 3680, 4321, 4640, 4768, 5336, 5960, 6670, 6854, 8642, 10672, 11920, 13340, 13708, 17135, 17284, 21344, 21605, 23840, 26680, 27416, 34270, 34568, 43210, 53360, 54832, 68540, 69136, 86420, 99383, 106720, 109664, 137080, 138272, 172840, 198766, 274160, 345680, 397532, 496915, 548320, 691360, 795064, 993830, 1590128, 1987660, 3180256, 3975320, 7950640, 15901280]

約数ペア:

[(1, 15901280), (2, 7950640), (4, 3975320), (5, 3180256), (8, 1987660), (10, 1590128), (16, 993830), (20, 795064), (23, 691360), (29, 548320), (32, 496915), (40, 397532), (46, 345680), (58, 274160), (80, 198766), (92, 172840), (115, 138272), (116, 137080), (145, 109664), (149, 106720), (160, 99383), (184, 86420), (230, 69136), (232, 68540), (290, 54832), (298, 53360), (368, 43210), (460, 34568), (464, 34270), (580, 27416), (596, 26680), (667, 23840), (736, 21605), (745, 21344), (920, 17284), (928, 17135), (1160, 13708), (1192, 13340), (1334, 11920), (1490, 10672), (1840, 8642), (2320, 6854), (2384, 6670), (2668, 5960), (2980, 5336), (3335, 4768), (3427, 4640), (3680, 4321)]