71768840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{12547}}^1$

素因数の和:12582

約数の個数: 64

約数和(自身を含む): 189725760

約数和(自身を除く): 117956920

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, 12547, 25094, 50188, 62735, 100376, 125470, 138017, 163111, 250940, 276034, 326222, 501880, 552068, 652444, 690085, 815555, 1104136, 1304888, 1380170, 1631110, 1794221, 2760340, 3262220, 3588442, 5520680, 6524440, 7176884, 8971105, 14353768, 17942210, 35884420, 71768840]

約数ペア:

[(1, 71768840), (2, 35884420), (4, 17942210), (5, 14353768), (8, 8971105), (10, 7176884), (11, 6524440), (13, 5520680), (20, 3588442), (22, 3262220), (26, 2760340), (40, 1794221), (44, 1631110), (52, 1380170), (55, 1304888), (65, 1104136), (88, 815555), (104, 690085), (110, 652444), (130, 552068), (143, 501880), (220, 326222), (260, 276034), (286, 250940), (440, 163111), (520, 138017), (572, 125470), (715, 100376), (1144, 62735), (1430, 50188), (2860, 25094), (5720, 12547)]