31269920

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{163}}^1$

素因数の和:298

約数の個数: 96

約数和(自身を含む): 81829440

約数和(自身を除く): 50559520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 109, 110, 160, 163, 176, 218, 220, 326, 352, 436, 440, 545, 652, 815, 872, 880, 1090, 1199, 1304, 1630, 1744, 1760, 1793, 2180, 2398, 2608, 3260, 3488, 3586, 4360, 4796, 5216, 5995, 6520, 7172, 8720, 8965, 9592, 11990, 13040, 14344, 17440, 17767, 17930, 19184, 23980, 26080, 28688, 35534, 35860, 38368, 47960, 57376, 71068, 71720, 88835, 95920, 142136, 143440, 177670, 191840, 195437, 284272, 286880, 355340, 390874, 568544, 710680, 781748, 977185, 1421360, 1563496, 1954370, 2842720, 3126992, 3908740, 6253984, 7817480, 15634960, 31269920]

約数ペア:

[(1, 31269920), (2, 15634960), (4, 7817480), (5, 6253984), (8, 3908740), (10, 3126992), (11, 2842720), (16, 1954370), (20, 1563496), (22, 1421360), (32, 977185), (40, 781748), (44, 710680), (55, 568544), (80, 390874), (88, 355340), (109, 286880), (110, 284272), (160, 195437), (163, 191840), (176, 177670), (218, 143440), (220, 142136), (326, 95920), (352, 88835), (436, 71720), (440, 71068), (545, 57376), (652, 47960), (815, 38368), (872, 35860), (880, 35534), (1090, 28688), (1199, 26080), (1304, 23980), (1630, 19184), (1744, 17930), (1760, 17767), (1793, 17440), (2180, 14344), (2398, 13040), (2608, 11990), (3260, 9592), (3488, 8965), (3586, 8720), (4360, 7172), (4796, 6520), (5216, 5995)]