11855120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{379}}^1$

素因数の和:432

約数の個数: 80

約数和(自身を含む): 30533760

約数和(自身を除く): 18678640

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 34, 40, 46, 68, 80, 85, 92, 115, 136, 170, 184, 230, 272, 340, 368, 379, 391, 460, 680, 758, 782, 920, 1360, 1516, 1564, 1840, 1895, 1955, 3032, 3128, 3790, 3910, 6064, 6256, 6443, 7580, 7820, 8717, 12886, 15160, 15640, 17434, 25772, 30320, 31280, 32215, 34868, 43585, 51544, 64430, 69736, 87170, 103088, 128860, 139472, 148189, 174340, 257720, 296378, 348680, 515440, 592756, 697360, 740945, 1185512, 1481890, 2371024, 2963780, 5927560, 11855120]

約数ペア:

[(1, 11855120), (2, 5927560), (4, 2963780), (5, 2371024), (8, 1481890), (10, 1185512), (16, 740945), (17, 697360), (20, 592756), (23, 515440), (34, 348680), (40, 296378), (46, 257720), (68, 174340), (80, 148189), (85, 139472), (92, 128860), (115, 103088), (136, 87170), (170, 69736), (184, 64430), (230, 51544), (272, 43585), (340, 34868), (368, 32215), (379, 31280), (391, 30320), (460, 25772), (680, 17434), (758, 15640), (782, 15160), (920, 12886), (1360, 8717), (1516, 7820), (1564, 7580), (1840, 6443), (1895, 6256), (1955, 6064), (3032, 3910), (3128, 3790)]