30807920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2730

約数の個数: 80

約数和(自身を含む): 84182112

約数和(自身を除く): 53374192

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 176, 208, 220, 260, 286, 440, 520, 572, 715, 880, 1040, 1144, 1430, 2288, 2693, 2860, 5386, 5720, 10772, 11440, 13465, 21544, 26930, 29623, 35009, 43088, 53860, 59246, 70018, 107720, 118492, 140036, 148115, 175045, 215440, 236984, 280072, 296230, 350090, 385099, 473968, 560144, 592460, 700180, 770198, 1184920, 1400360, 1540396, 1925495, 2369840, 2800720, 3080792, 3850990, 6161584, 7701980, 15403960, 30807920]

約数ペア:

[(1, 30807920), (2, 15403960), (4, 7701980), (5, 6161584), (8, 3850990), (10, 3080792), (11, 2800720), (13, 2369840), (16, 1925495), (20, 1540396), (22, 1400360), (26, 1184920), (40, 770198), (44, 700180), (52, 592460), (55, 560144), (65, 473968), (80, 385099), (88, 350090), (104, 296230), (110, 280072), (130, 236984), (143, 215440), (176, 175045), (208, 148115), (220, 140036), (260, 118492), (286, 107720), (440, 70018), (520, 59246), (572, 53860), (715, 43088), (880, 35009), (1040, 29623), (1144, 26930), (1430, 21544), (2288, 13465), (2693, 11440), (2860, 10772), (5386, 5720)]