320143544

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{1103}}^1$

素因数の和:1260

約数の個数: 64

約数和(自身を含む): 705853440

約数和(自身を除く): 385709896

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 73, 142, 146, 284, 292, 497, 511, 568, 584, 994, 1022, 1103, 1988, 2044, 2206, 3976, 4088, 4412, 5183, 7721, 8824, 10366, 15442, 20732, 30884, 36281, 41464, 61768, 72562, 78313, 80519, 145124, 156626, 161038, 290248, 313252, 322076, 548191, 563633, 626504, 644152, 1096382, 1127266, 2192764, 2254532, 4385528, 4509064, 5716849, 11433698, 22867396, 40017943, 45734792, 80035886, 160071772, 320143544]

約数ペア:

[(1, 320143544), (2, 160071772), (4, 80035886), (7, 45734792), (8, 40017943), (14, 22867396), (28, 11433698), (56, 5716849), (71, 4509064), (73, 4385528), (142, 2254532), (146, 2192764), (284, 1127266), (292, 1096382), (497, 644152), (511, 626504), (568, 563633), (584, 548191), (994, 322076), (1022, 313252), (1103, 290248), (1988, 161038), (2044, 156626), (2206, 145124), (3976, 80519), (4088, 78313), (4412, 72562), (5183, 61768), (7721, 41464), (8824, 36281), (10366, 30884), (15442, 20732)]