69280740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8951}}^1$

素因数の和:9009

約数の個数: 72

約数和(自身を含む): 215062848

約数和(自身を除く): 145782108

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 43, 45, 60, 86, 90, 129, 172, 180, 215, 258, 387, 430, 516, 645, 774, 860, 1290, 1548, 1935, 2580, 3870, 7740, 8951, 17902, 26853, 35804, 44755, 53706, 80559, 89510, 107412, 134265, 161118, 179020, 268530, 322236, 384893, 402795, 537060, 769786, 805590, 1154679, 1539572, 1611180, 1924465, 2309358, 3464037, 3848930, 4618716, 5773395, 6928074, 7697860, 11546790, 13856148, 17320185, 23093580, 34640370, 69280740]

約数ペア:

[(1, 69280740), (2, 34640370), (3, 23093580), (4, 17320185), (5, 13856148), (6, 11546790), (9, 7697860), (10, 6928074), (12, 5773395), (15, 4618716), (18, 3848930), (20, 3464037), (30, 2309358), (36, 1924465), (43, 1611180), (45, 1539572), (60, 1154679), (86, 805590), (90, 769786), (129, 537060), (172, 402795), (180, 384893), (215, 322236), (258, 268530), (387, 179020), (430, 161118), (516, 134265), (645, 107412), (774, 89510), (860, 80559), (1290, 53706), (1548, 44755), (1935, 35804), (2580, 26853), (3870, 17902), (7740, 8951)]