72515940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{172657}}^1$

素因数の和:172676

約数の個数: 48

約数和(自身を含む): 232052352

約数和(自身を除く): 159536412

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, 172657, 345314, 517971, 690628, 863285, 1035942, 1208599, 1726570, 2071884, 2417198, 2589855, 3453140, 3625797, 4834396, 5179710, 6042995, 7251594, 10359420, 12085990, 14503188, 18128985, 24171980, 36257970, 72515940]

約数ペア:

[(1, 72515940), (2, 36257970), (3, 24171980), (4, 18128985), (5, 14503188), (6, 12085990), (7, 10359420), (10, 7251594), (12, 6042995), (14, 5179710), (15, 4834396), (20, 3625797), (21, 3453140), (28, 2589855), (30, 2417198), (35, 2071884), (42, 1726570), (60, 1208599), (70, 1035942), (84, 863285), (105, 690628), (140, 517971), (210, 345314), (420, 172657)]