7855140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1471}}^1$

素因数の和:1572

約数の個数: 48

約数和(自身を含む): 22256640

約数和(自身を除く): 14401500

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1471, 1780, 2670, 2942, 4413, 5340, 5884, 7355, 8826, 14710, 17652, 22065, 29420, 44130, 88260, 130919, 261838, 392757, 523676, 654595, 785514, 1309190, 1571028, 1963785, 2618380, 3927570, 7855140]

約数ペア:

[(1, 7855140), (2, 3927570), (3, 2618380), (4, 1963785), (5, 1571028), (6, 1309190), (10, 785514), (12, 654595), (15, 523676), (20, 392757), (30, 261838), (60, 130919), (89, 88260), (178, 44130), (267, 29420), (356, 22065), (445, 17652), (534, 14710), (890, 8826), (1068, 7355), (1335, 5884), (1471, 5340), (1780, 4413), (2670, 2942)]