68506280

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{547}}^1$

素因数の和:690

約数の個数: 64

約数和(自身を含む): 160980480

約数和(自身を除く): 92474200

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 101, 124, 155, 202, 248, 310, 404, 505, 547, 620, 808, 1010, 1094, 1240, 2020, 2188, 2735, 3131, 4040, 4376, 5470, 6262, 10940, 12524, 15655, 16957, 21880, 25048, 31310, 33914, 55247, 62620, 67828, 84785, 110494, 125240, 135656, 169570, 220988, 276235, 339140, 441976, 552470, 678280, 1104940, 1712657, 2209880, 3425314, 6850628, 8563285, 13701256, 17126570, 34253140, 68506280]

約数ペア:

[(1, 68506280), (2, 34253140), (4, 17126570), (5, 13701256), (8, 8563285), (10, 6850628), (20, 3425314), (31, 2209880), (40, 1712657), (62, 1104940), (101, 678280), (124, 552470), (155, 441976), (202, 339140), (248, 276235), (310, 220988), (404, 169570), (505, 135656), (547, 125240), (620, 110494), (808, 84785), (1010, 67828), (1094, 62620), (1240, 55247), (2020, 33914), (2188, 31310), (2735, 25048), (3131, 21880), (4040, 16957), (4376, 15655), (5470, 12524), (6262, 10940)]