65221320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1291}}^1$

素因数の和:1726

約数の個数: 64

約数和(自身を含む): 196280640

約数和(自身を除く): 131059320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1291, 1684, 2105, 2526, 2582, 3368, 3873, 4210, 5052, 5164, 6315, 6455, 7746, 8420, 10104, 10328, 12630, 12910, 15492, 16840, 19365, 25260, 25820, 30984, 38730, 50520, 51640, 77460, 154920, 543511, 1087022, 1630533, 2174044, 2717555, 3261066, 4348088, 5435110, 6522132, 8152665, 10870220, 13044264, 16305330, 21740440, 32610660, 65221320]

約数ペア:

[(1, 65221320), (2, 32610660), (3, 21740440), (4, 16305330), (5, 13044264), (6, 10870220), (8, 8152665), (10, 6522132), (12, 5435110), (15, 4348088), (20, 3261066), (24, 2717555), (30, 2174044), (40, 1630533), (60, 1087022), (120, 543511), (421, 154920), (842, 77460), (1263, 51640), (1291, 50520), (1684, 38730), (2105, 30984), (2526, 25820), (2582, 25260), (3368, 19365), (3873, 16840), (4210, 15492), (5052, 12910), (5164, 12630), (6315, 10328), (6455, 10104), (7746, 8420)]