68666240

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{3461}}^1$

素因数の和:3511

約数の個数: 64

約数和(自身を含む): 169499520

約数和(自身を除く): 100833280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 128, 155, 160, 248, 310, 320, 496, 620, 640, 992, 1240, 1984, 2480, 3461, 3968, 4960, 6922, 9920, 13844, 17305, 19840, 27688, 34610, 55376, 69220, 107291, 110752, 138440, 214582, 221504, 276880, 429164, 443008, 536455, 553760, 858328, 1072910, 1107520, 1716656, 2145820, 2215040, 3433312, 4291640, 6866624, 8583280, 13733248, 17166560, 34333120, 68666240]

約数ペア:

[(1, 68666240), (2, 34333120), (4, 17166560), (5, 13733248), (8, 8583280), (10, 6866624), (16, 4291640), (20, 3433312), (31, 2215040), (32, 2145820), (40, 1716656), (62, 1107520), (64, 1072910), (80, 858328), (124, 553760), (128, 536455), (155, 443008), (160, 429164), (248, 276880), (310, 221504), (320, 214582), (496, 138440), (620, 110752), (640, 107291), (992, 69220), (1240, 55376), (1984, 34610), (2480, 27688), (3461, 19840), (3968, 17305), (4960, 13844), (6922, 9920)]