72340840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12647}}^1$

素因数の和:12682

約数の個数: 64

約数和(自身を含む): 191237760

約数和(自身を除く): 118896920

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, 2860, 5720, 12647, 25294, 50588, 63235, 101176, 126470, 139117, 164411, 252940, 278234, 328822, 505880, 556468, 657644, 695585, 822055, 1112936, 1315288, 1391170, 1644110, 1808521, 2782340, 3288220, 3617042, 5564680, 6576440, 7234084, 9042605, 14468168, 18085210, 36170420, 72340840]

約数ペア:

[(1, 72340840), (2, 36170420), (4, 18085210), (5, 14468168), (8, 9042605), (10, 7234084), (11, 6576440), (13, 5564680), (20, 3617042), (22, 3288220), (26, 2782340), (40, 1808521), (44, 1644110), (52, 1391170), (55, 1315288), (65, 1112936), (88, 822055), (104, 695585), (110, 657644), (130, 556468), (143, 505880), (220, 328822), (260, 278234), (286, 252940), (440, 164411), (520, 139117), (572, 126470), (715, 101176), (1144, 63235), (1430, 50588), (2860, 25294), (5720, 12647)]