66315760

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1499}}^1$

素因数の和:1598

約数の個数: 80

約数和(自身を含む): 178560000

約数和(自身を除く): 112244240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 79, 80, 112, 140, 158, 280, 316, 395, 553, 560, 632, 790, 1106, 1264, 1499, 1580, 2212, 2765, 2998, 3160, 4424, 5530, 5996, 6320, 7495, 8848, 10493, 11060, 11992, 14990, 20986, 22120, 23984, 29980, 41972, 44240, 52465, 59960, 83944, 104930, 118421, 119920, 167888, 209860, 236842, 419720, 473684, 592105, 828947, 839440, 947368, 1184210, 1657894, 1894736, 2368420, 3315788, 4144735, 4736840, 6631576, 8289470, 9473680, 13263152, 16578940, 33157880, 66315760]

約数ペア:

[(1, 66315760), (2, 33157880), (4, 16578940), (5, 13263152), (7, 9473680), (8, 8289470), (10, 6631576), (14, 4736840), (16, 4144735), (20, 3315788), (28, 2368420), (35, 1894736), (40, 1657894), (56, 1184210), (70, 947368), (79, 839440), (80, 828947), (112, 592105), (140, 473684), (158, 419720), (280, 236842), (316, 209860), (395, 167888), (553, 119920), (560, 118421), (632, 104930), (790, 83944), (1106, 59960), (1264, 52465), (1499, 44240), (1580, 41972), (2212, 29980), (2765, 23984), (2998, 22120), (3160, 20986), (4424, 14990), (5530, 11992), (5996, 11060), (6320, 10493), (7495, 8848)]