72816160

素因数分解:

$2^5\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{421}}^1$

素因数の和:506

約数の個数: 96

約数和(自身を含む): 183762432

約数和(自身を除く): 110946272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 32, 40, 46, 47, 80, 92, 94, 115, 160, 184, 188, 230, 235, 368, 376, 421, 460, 470, 736, 752, 842, 920, 940, 1081, 1504, 1684, 1840, 1880, 2105, 2162, 3368, 3680, 3760, 4210, 4324, 5405, 6736, 7520, 8420, 8648, 9683, 10810, 13472, 16840, 17296, 19366, 19787, 21620, 33680, 34592, 38732, 39574, 43240, 48415, 67360, 77464, 79148, 86480, 96830, 98935, 154928, 158296, 172960, 193660, 197870, 309856, 316592, 387320, 395740, 455101, 633184, 774640, 791480, 910202, 1549280, 1582960, 1820404, 2275505, 3165920, 3640808, 4551010, 7281616, 9102020, 14563232, 18204040, 36408080, 72816160]

約数ペア:

[(1, 72816160), (2, 36408080), (4, 18204040), (5, 14563232), (8, 9102020), (10, 7281616), (16, 4551010), (20, 3640808), (23, 3165920), (32, 2275505), (40, 1820404), (46, 1582960), (47, 1549280), (80, 910202), (92, 791480), (94, 774640), (115, 633184), (160, 455101), (184, 395740), (188, 387320), (230, 316592), (235, 309856), (368, 197870), (376, 193660), (421, 172960), (460, 158296), (470, 154928), (736, 98935), (752, 96830), (842, 86480), (920, 79148), (940, 77464), (1081, 67360), (1504, 48415), (1684, 43240), (1840, 39574), (1880, 38732), (2105, 34592), (2162, 33680), (3368, 21620), (3680, 19787), (3760, 19366), (4210, 17296), (4324, 16840), (5405, 13472), (6736, 10810), (7520, 9683), (8420, 8648)]