72120620

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{167}}^1$

素因数の和:351

約数の個数: 96

約数和(自身を含む): 180182016

約数和(自身を除く): 108061396

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 130, 143, 151, 167, 220, 260, 286, 302, 334, 572, 604, 668, 715, 755, 835, 1430, 1510, 1661, 1670, 1837, 1963, 2171, 2860, 3020, 3322, 3340, 3674, 3926, 4342, 6644, 7348, 7852, 8305, 8684, 9185, 9815, 10855, 16610, 18370, 19630, 21593, 21710, 23881, 25217, 33220, 36740, 39260, 43186, 43420, 47762, 50434, 86372, 95524, 100868, 107965, 119405, 126085, 215930, 238810, 252170, 277387, 327821, 431860, 477620, 504340, 554774, 655642, 1109548, 1311284, 1386935, 1639105, 2773870, 3278210, 3606031, 5547740, 6556420, 7212062, 14424124, 18030155, 36060310, 72120620]

約数ペア:

[(1, 72120620), (2, 36060310), (4, 18030155), (5, 14424124), (10, 7212062), (11, 6556420), (13, 5547740), (20, 3606031), (22, 3278210), (26, 2773870), (44, 1639105), (52, 1386935), (55, 1311284), (65, 1109548), (110, 655642), (130, 554774), (143, 504340), (151, 477620), (167, 431860), (220, 327821), (260, 277387), (286, 252170), (302, 238810), (334, 215930), (572, 126085), (604, 119405), (668, 107965), (715, 100868), (755, 95524), (835, 86372), (1430, 50434), (1510, 47762), (1661, 43420), (1670, 43186), (1837, 39260), (1963, 36740), (2171, 33220), (2860, 25217), (3020, 23881), (3322, 21710), (3340, 21593), (3674, 19630), (3926, 18370), (4342, 16610), (6644, 10855), (7348, 9815), (7852, 9185), (8305, 8684)]