68312840

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{619}}^1$

素因数の和:750

約数の個数: 64

約数和(自身を含む): 160704000

約数和(自身を除く): 92391160

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 619, 620, 712, 890, 1238, 1240, 1780, 2476, 2759, 3095, 3560, 4952, 5518, 6190, 11036, 12380, 13795, 19189, 22072, 24760, 27590, 38378, 55091, 55180, 76756, 95945, 110182, 110360, 153512, 191890, 220364, 275455, 383780, 440728, 550910, 767560, 1101820, 1707821, 2203640, 3415642, 6831284, 8539105, 13662568, 17078210, 34156420, 68312840]

約数ペア:

[(1, 68312840), (2, 34156420), (4, 17078210), (5, 13662568), (8, 8539105), (10, 6831284), (20, 3415642), (31, 2203640), (40, 1707821), (62, 1101820), (89, 767560), (124, 550910), (155, 440728), (178, 383780), (248, 275455), (310, 220364), (356, 191890), (445, 153512), (619, 110360), (620, 110182), (712, 95945), (890, 76756), (1238, 55180), (1240, 55091), (1780, 38378), (2476, 27590), (2759, 24760), (3095, 22072), (3560, 19189), (4952, 13795), (5518, 12380), (6190, 11036)]