42720

素因数分解:

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

素因数の和:107

約数の個数: 48

約数和(自身を含む): 136080

約数和(自身を除く): 93360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 89, 96, 120, 160, 178, 240, 267, 356, 445, 480, 534, 712, 890, 1068, 1335, 1424, 1780, 2136, 2670, 2848, 3560, 4272, 5340, 7120, 8544, 10680, 14240, 21360, 42720]

約数ペア:

[(1, 42720), (2, 21360), (3, 14240), (4, 10680), (5, 8544), (6, 7120), (8, 5340), (10, 4272), (12, 3560), (15, 2848), (16, 2670), (20, 2136), (24, 1780), (30, 1424), (32, 1335), (40, 1068), (48, 890), (60, 712), (80, 534), (89, 480), (96, 445), (120, 356), (160, 267), (178, 240)]