619640120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{21019}}^1$

素因数の和:21108

約数の個数: 64

約数和(自身を含む): 1543708800

約数和(自身を除く): 924068680

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 67, 88, 110, 134, 220, 268, 335, 440, 536, 670, 737, 1340, 1474, 2680, 2948, 3685, 5896, 7370, 14740, 21019, 29480, 42038, 84076, 105095, 168152, 210190, 231209, 420380, 462418, 840760, 924836, 1156045, 1408273, 1849672, 2312090, 2816546, 4624180, 5633092, 7041365, 9248360, 11266184, 14082730, 15491003, 28165460, 30982006, 56330920, 61964012, 77455015, 123928024, 154910030, 309820060, 619640120]

約数ペア:

[(1, 619640120), (2, 309820060), (4, 154910030), (5, 123928024), (8, 77455015), (10, 61964012), (11, 56330920), (20, 30982006), (22, 28165460), (40, 15491003), (44, 14082730), (55, 11266184), (67, 9248360), (88, 7041365), (110, 5633092), (134, 4624180), (220, 2816546), (268, 2312090), (335, 1849672), (440, 1408273), (536, 1156045), (670, 924836), (737, 840760), (1340, 462418), (1474, 420380), (2680, 231209), (2948, 210190), (3685, 168152), (5896, 105095), (7370, 84076), (14740, 42038), (21019, 29480)]