16051980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{38219}}^1$

素因数の和:38238

約数の個数: 48

約数和(自身を含む): 51367680

約数和(自身を除く): 35315700

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 38219, 76438, 114657, 152876, 191095, 229314, 267533, 382190, 458628, 535066, 573285, 764380, 802599, 1070132, 1146570, 1337665, 1605198, 2293140, 2675330, 3210396, 4012995, 5350660, 8025990, 16051980]

約数ペア:

[(1, 16051980), (2, 8025990), (3, 5350660), (4, 4012995), (5, 3210396), (6, 2675330), (7, 2293140), (10, 1605198), (12, 1337665), (14, 1146570), (15, 1070132), (20, 802599), (21, 764380), (28, 573285), (30, 535066), (35, 458628), (42, 382190), (60, 267533), (70, 229314), (84, 191095), (105, 152876), (140, 114657), (210, 76438), (420, 38219)]