80518480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{59}}^1\times {\mathrm{2437}}^1$

素因数の和:2516

約数の個数: 80

約数和(自身を含む): 217664640

約数和(自身を除く): 137146160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 59, 70, 80, 112, 118, 140, 236, 280, 295, 413, 472, 560, 590, 826, 944, 1180, 1652, 2065, 2360, 2437, 3304, 4130, 4720, 4874, 6608, 8260, 9748, 12185, 16520, 17059, 19496, 24370, 33040, 34118, 38992, 48740, 68236, 85295, 97480, 136472, 143783, 170590, 194960, 272944, 287566, 341180, 575132, 682360, 718915, 1006481, 1150264, 1364720, 1437830, 2012962, 2300528, 2875660, 4025924, 5032405, 5751320, 8051848, 10064810, 11502640, 16103696, 20129620, 40259240, 80518480]

約数ペア:

[(1, 80518480), (2, 40259240), (4, 20129620), (5, 16103696), (7, 11502640), (8, 10064810), (10, 8051848), (14, 5751320), (16, 5032405), (20, 4025924), (28, 2875660), (35, 2300528), (40, 2012962), (56, 1437830), (59, 1364720), (70, 1150264), (80, 1006481), (112, 718915), (118, 682360), (140, 575132), (236, 341180), (280, 287566), (295, 272944), (413, 194960), (472, 170590), (560, 143783), (590, 136472), (826, 97480), (944, 85295), (1180, 68236), (1652, 48740), (2065, 38992), (2360, 34118), (2437, 33040), (3304, 24370), (4130, 19496), (4720, 17059), (4874, 16520), (6608, 12185), (8260, 9748)]