74820120

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1481}}^1$

素因数の和:1916

約数の個数: 64

約数和(自身を含む): 225145440

約数和(自身を除く): 150325320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1481, 1684, 2105, 2526, 2962, 3368, 4210, 4443, 5052, 5924, 6315, 7405, 8420, 8886, 10104, 11848, 12630, 14810, 16840, 17772, 22215, 25260, 29620, 35544, 44430, 50520, 59240, 88860, 177720, 623501, 1247002, 1870503, 2494004, 3117505, 3741006, 4988008, 6235010, 7482012, 9352515, 12470020, 14964024, 18705030, 24940040, 37410060, 74820120]

約数ペア:

[(1, 74820120), (2, 37410060), (3, 24940040), (4, 18705030), (5, 14964024), (6, 12470020), (8, 9352515), (10, 7482012), (12, 6235010), (15, 4988008), (20, 3741006), (24, 3117505), (30, 2494004), (40, 1870503), (60, 1247002), (120, 623501), (421, 177720), (842, 88860), (1263, 59240), (1481, 50520), (1684, 44430), (2105, 35544), (2526, 29620), (2962, 25260), (3368, 22215), (4210, 17772), (4443, 16840), (5052, 14810), (5924, 12630), (6315, 11848), (7405, 10104), (8420, 8886)]