120809312

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:376

約数の個数: 72

約数和(自身を含む): 261477720

約数和(自身を除く): 140668408

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 89, 104, 169, 178, 208, 251, 338, 356, 416, 502, 676, 712, 1004, 1157, 1352, 1424, 2008, 2314, 2704, 2848, 3263, 4016, 4628, 5408, 6526, 8032, 9256, 13052, 15041, 18512, 22339, 26104, 30082, 37024, 42419, 44678, 52208, 60164, 84838, 89356, 104416, 120328, 169676, 178712, 240656, 290407, 339352, 357424, 481312, 580814, 678704, 714848, 1161628, 1357408, 2323256, 3775291, 4646512, 7550582, 9293024, 15101164, 30202328, 60404656, 120809312]

約数ペア:

[(1, 120809312), (2, 60404656), (4, 30202328), (8, 15101164), (13, 9293024), (16, 7550582), (26, 4646512), (32, 3775291), (52, 2323256), (89, 1357408), (104, 1161628), (169, 714848), (178, 678704), (208, 580814), (251, 481312), (338, 357424), (356, 339352), (416, 290407), (502, 240656), (676, 178712), (712, 169676), (1004, 120328), (1157, 104416), (1352, 89356), (1424, 84838), (2008, 60164), (2314, 52208), (2704, 44678), (2848, 42419), (3263, 37024), (4016, 30082), (4628, 26104), (5408, 22339), (6526, 18512), (8032, 15041), (9256, 13052)]