57718280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{523}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 135820800

約数和(自身を除く): 78102520

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 523, 620, 712, 890, 1046, 1240, 1780, 2092, 2615, 2759, 3560, 4184, 5230, 5518, 10460, 11036, 13795, 16213, 20920, 22072, 27590, 32426, 46547, 55180, 64852, 81065, 93094, 110360, 129704, 162130, 186188, 232735, 324260, 372376, 465470, 648520, 930940, 1442957, 1861880, 2885914, 5771828, 7214785, 11543656, 14429570, 28859140, 57718280]

約数ペア:

[(1, 57718280), (2, 28859140), (4, 14429570), (5, 11543656), (8, 7214785), (10, 5771828), (20, 2885914), (31, 1861880), (40, 1442957), (62, 930940), (89, 648520), (124, 465470), (155, 372376), (178, 324260), (248, 232735), (310, 186188), (356, 162130), (445, 129704), (523, 110360), (620, 93094), (712, 81065), (890, 64852), (1046, 55180), (1240, 46547), (1780, 32426), (2092, 27590), (2615, 22072), (2759, 20920), (3560, 16213), (4184, 13795), (5230, 11036), (5518, 10460)]