72104080

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:448

約数の個数: 80

約数和(自身を含む): 176774400

約数和(自身を除く): 104670320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 149, 184, 230, 263, 298, 368, 460, 526, 596, 745, 920, 1052, 1192, 1315, 1490, 1840, 2104, 2384, 2630, 2980, 3427, 4208, 5260, 5960, 6049, 6854, 10520, 11920, 12098, 13708, 17135, 21040, 24196, 27416, 30245, 34270, 39187, 48392, 54832, 60490, 68540, 78374, 96784, 120980, 137080, 156748, 195935, 241960, 274160, 313496, 391870, 483920, 626992, 783740, 901301, 1567480, 1802602, 3134960, 3605204, 4506505, 7210408, 9013010, 14420816, 18026020, 36052040, 72104080]

約数ペア:

[(1, 72104080), (2, 36052040), (4, 18026020), (5, 14420816), (8, 9013010), (10, 7210408), (16, 4506505), (20, 3605204), (23, 3134960), (40, 1802602), (46, 1567480), (80, 901301), (92, 783740), (115, 626992), (149, 483920), (184, 391870), (230, 313496), (263, 274160), (298, 241960), (368, 195935), (460, 156748), (526, 137080), (596, 120980), (745, 96784), (920, 78374), (1052, 68540), (1192, 60490), (1315, 54832), (1490, 48392), (1840, 39187), (2104, 34270), (2384, 30245), (2630, 27416), (2980, 24196), (3427, 21040), (4208, 17135), (5260, 13708), (5960, 12098), (6049, 11920), (6854, 10520)]