15998840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2797}}^1$

素因数の和:2832

約数の個数: 64

約数和(自身を含む): 42305760

約数和(自身を除く): 26306920

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, 2797, 2860, 5594, 5720, 11188, 13985, 22376, 27970, 30767, 36361, 55940, 61534, 72722, 111880, 123068, 145444, 153835, 181805, 246136, 290888, 307670, 363610, 399971, 615340, 727220, 799942, 1230680, 1454440, 1599884, 1999855, 3199768, 3999710, 7999420, 15998840]

約数ペア:

[(1, 15998840), (2, 7999420), (4, 3999710), (5, 3199768), (8, 1999855), (10, 1599884), (11, 1454440), (13, 1230680), (20, 799942), (22, 727220), (26, 615340), (40, 399971), (44, 363610), (52, 307670), (55, 290888), (65, 246136), (88, 181805), (104, 153835), (110, 145444), (130, 123068), (143, 111880), (220, 72722), (260, 61534), (286, 55940), (440, 36361), (520, 30767), (572, 27970), (715, 22376), (1144, 13985), (1430, 11188), (2797, 5720), (2860, 5594)]