31543020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{19471}}^1$

素因数の和:19492

約数の個数: 60

約数和(自身を含む): 98956704

約数和(自身を除く): 67413684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 19471, 38942, 58413, 77884, 97355, 116826, 175239, 194710, 233652, 292065, 350478, 389420, 525717, 584130, 700956, 876195, 1051434, 1168260, 1577151, 1752390, 2102868, 2628585, 3154302, 3504780, 5257170, 6308604, 7885755, 10514340, 15771510, 31543020]

約数ペア:

[(1, 31543020), (2, 15771510), (3, 10514340), (4, 7885755), (5, 6308604), (6, 5257170), (9, 3504780), (10, 3154302), (12, 2628585), (15, 2102868), (18, 1752390), (20, 1577151), (27, 1168260), (30, 1051434), (36, 876195), (45, 700956), (54, 584130), (60, 525717), (81, 389420), (90, 350478), (108, 292065), (135, 233652), (162, 194710), (180, 175239), (270, 116826), (324, 97355), (405, 77884), (540, 58413), (810, 38942), (1620, 19471)]