231718160

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{2543}}^1$

素因数の和:2640

約数の個数: 80

約数和(自身を含む): 579177216

約数和(自身を除く): 347459056

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 67, 68, 80, 85, 134, 136, 170, 268, 272, 335, 340, 536, 670, 680, 1072, 1139, 1340, 1360, 2278, 2543, 2680, 4556, 5086, 5360, 5695, 9112, 10172, 11390, 12715, 18224, 20344, 22780, 25430, 40688, 43231, 45560, 50860, 86462, 91120, 101720, 170381, 172924, 203440, 216155, 340762, 345848, 432310, 681524, 691696, 851905, 864620, 1363048, 1703810, 1729240, 2726096, 2896477, 3407620, 3458480, 5792954, 6815240, 11585908, 13630480, 14482385, 23171816, 28964770, 46343632, 57929540, 115859080, 231718160]

約数ペア:

[(1, 231718160), (2, 115859080), (4, 57929540), (5, 46343632), (8, 28964770), (10, 23171816), (16, 14482385), (17, 13630480), (20, 11585908), (34, 6815240), (40, 5792954), (67, 3458480), (68, 3407620), (80, 2896477), (85, 2726096), (134, 1729240), (136, 1703810), (170, 1363048), (268, 864620), (272, 851905), (335, 691696), (340, 681524), (536, 432310), (670, 345848), (680, 340762), (1072, 216155), (1139, 203440), (1340, 172924), (1360, 170381), (2278, 101720), (2543, 91120), (2680, 86462), (4556, 50860), (5086, 45560), (5360, 43231), (5695, 40688), (9112, 25430), (10172, 22780), (11390, 20344), (12715, 18224)]