80142780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{373}}^1\times {\mathrm{3581}}^1$

素因数の和:3966

約数の個数: 48

約数和(自身を含む): 225064224

約数和(自身を除く): 144921444

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 373, 746, 1119, 1492, 1865, 2238, 3581, 3730, 4476, 5595, 7162, 7460, 10743, 11190, 14324, 17905, 21486, 22380, 35810, 42972, 53715, 71620, 107430, 214860, 1335713, 2671426, 4007139, 5342852, 6678565, 8014278, 13357130, 16028556, 20035695, 26714260, 40071390, 80142780]

約数ペア:

[(1, 80142780), (2, 40071390), (3, 26714260), (4, 20035695), (5, 16028556), (6, 13357130), (10, 8014278), (12, 6678565), (15, 5342852), (20, 4007139), (30, 2671426), (60, 1335713), (373, 214860), (746, 107430), (1119, 71620), (1492, 53715), (1865, 42972), (2238, 35810), (3581, 22380), (3730, 21486), (4476, 17905), (5595, 14324), (7162, 11190), (7460, 10743)]