15791020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{757}}^1$

素因数の和:922

約数の個数: 48

約数和(自身を含む): 38203200

約数和(自身を除く): 22412180

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 149, 298, 596, 745, 757, 1043, 1490, 1514, 2086, 2980, 3028, 3785, 4172, 5215, 5299, 7570, 10430, 10598, 15140, 20860, 21196, 26495, 52990, 105980, 112793, 225586, 451172, 563965, 789551, 1127930, 1579102, 2255860, 3158204, 3947755, 7895510, 15791020]

約数ペア:

[(1, 15791020), (2, 7895510), (4, 3947755), (5, 3158204), (7, 2255860), (10, 1579102), (14, 1127930), (20, 789551), (28, 563965), (35, 451172), (70, 225586), (140, 112793), (149, 105980), (298, 52990), (596, 26495), (745, 21196), (757, 20860), (1043, 15140), (1490, 10598), (1514, 10430), (2086, 7570), (2980, 5299), (3028, 5215), (3785, 4172)]