15403960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2693}}^1$

素因数の和:2728

約数の個数: 64

約数和(自身を含む): 40733280

約数和(自身を除く): 25329320

約数列:

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

約数ペア:

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