72525440

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:434

約数の個数: 128

約数和(自身を含む): 195350400

約数和(自身を除く): 122824960

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 23, 26, 32, 40, 46, 52, 64, 65, 80, 92, 104, 115, 128, 130, 160, 184, 208, 230, 260, 299, 320, 368, 379, 416, 460, 520, 598, 640, 736, 758, 832, 920, 1040, 1196, 1472, 1495, 1516, 1664, 1840, 1895, 2080, 2392, 2944, 2990, 3032, 3680, 3790, 4160, 4784, 4927, 5980, 6064, 7360, 7580, 8320, 8717, 9568, 9854, 11960, 12128, 14720, 15160, 17434, 19136, 19708, 23920, 24256, 24635, 30320, 34868, 38272, 39416, 43585, 47840, 48512, 49270, 60640, 69736, 78832, 87170, 95680, 98540, 113321, 121280, 139472, 157664, 174340, 191360, 197080, 226642, 242560, 278944, 315328, 348680, 394160, 453284, 557888, 566605, 630656, 697360, 788320, 906568, 1115776, 1133210, 1394720, 1576640, 1813136, 2266420, 2789440, 3153280, 3626272, 4532840, 5578880, 7252544, 9065680, 14505088, 18131360, 36262720, 72525440]

約数ペア:

[(1, 72525440), (2, 36262720), (4, 18131360), (5, 14505088), (8, 9065680), (10, 7252544), (13, 5578880), (16, 4532840), (20, 3626272), (23, 3153280), (26, 2789440), (32, 2266420), (40, 1813136), (46, 1576640), (52, 1394720), (64, 1133210), (65, 1115776), (80, 906568), (92, 788320), (104, 697360), (115, 630656), (128, 566605), (130, 557888), (160, 453284), (184, 394160), (208, 348680), (230, 315328), (260, 278944), (299, 242560), (320, 226642), (368, 197080), (379, 191360), (416, 174340), (460, 157664), (520, 139472), (598, 121280), (640, 113321), (736, 98540), (758, 95680), (832, 87170), (920, 78832), (1040, 69736), (1196, 60640), (1472, 49270), (1495, 48512), (1516, 47840), (1664, 43585), (1840, 39416), (1895, 38272), (2080, 34868), (2392, 30320), (2944, 24635), (2990, 24256), (3032, 23920), (3680, 19708), (3790, 19136), (4160, 17434), (4784, 15160), (4927, 14720), (5980, 12128), (6064, 11960), (7360, 9854), (7580, 9568), (8320, 8717)]