71382420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{227}}^1\times {\mathrm{1747}}^1$

素因数の和:1989

約数の個数: 72

約数和(自身を含む): 217605024

約数和(自身を除く): 146222604

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 227, 454, 681, 908, 1135, 1362, 1747, 2043, 2270, 2724, 3405, 3494, 4086, 4540, 5241, 6810, 6988, 8172, 8735, 10215, 10482, 13620, 15723, 17470, 20430, 20964, 26205, 31446, 34940, 40860, 52410, 62892, 78615, 104820, 157230, 314460, 396569, 793138, 1189707, 1586276, 1982845, 2379414, 3569121, 3965690, 4758828, 5948535, 7138242, 7931380, 11897070, 14276484, 17845605, 23794140, 35691210, 71382420]

約数ペア:

[(1, 71382420), (2, 35691210), (3, 23794140), (4, 17845605), (5, 14276484), (6, 11897070), (9, 7931380), (10, 7138242), (12, 5948535), (15, 4758828), (18, 3965690), (20, 3569121), (30, 2379414), (36, 1982845), (45, 1586276), (60, 1189707), (90, 793138), (180, 396569), (227, 314460), (454, 157230), (681, 104820), (908, 78615), (1135, 62892), (1362, 52410), (1747, 40860), (2043, 34940), (2270, 31446), (2724, 26205), (3405, 20964), (3494, 20430), (4086, 17470), (4540, 15723), (5241, 13620), (6810, 10482), (6988, 10215), (8172, 8735)]