68296720

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{27539}}^1$

素因数の和:27583

約数の個数: 40

約数和(自身を含む): 163918080

約数和(自身を除く): 95621360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 27539, 55078, 110156, 137695, 220312, 275390, 440624, 550780, 853709, 1101560, 1707418, 2203120, 3414836, 4268545, 6829672, 8537090, 13659344, 17074180, 34148360, 68296720]

約数ペア:

[(1, 68296720), (2, 34148360), (4, 17074180), (5, 13659344), (8, 8537090), (10, 6829672), (16, 4268545), (20, 3414836), (31, 2203120), (40, 1707418), (62, 1101560), (80, 853709), (124, 550780), (155, 440624), (248, 275390), (310, 220312), (496, 137695), (620, 110156), (1240, 55078), (2480, 27539)]