78243540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{787}}^1\times {\mathrm{1657}}^1$

素因数の和:2456

約数の個数: 48

約数和(自身を含む): 219492672

約数和(自身を除く): 141249132

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 787, 1574, 1657, 2361, 3148, 3314, 3935, 4722, 4971, 6628, 7870, 8285, 9444, 9942, 11805, 15740, 16570, 19884, 23610, 24855, 33140, 47220, 49710, 99420, 1304059, 2608118, 3912177, 5216236, 6520295, 7824354, 13040590, 15648708, 19560885, 26081180, 39121770, 78243540]

約数ペア:

[(1, 78243540), (2, 39121770), (3, 26081180), (4, 19560885), (5, 15648708), (6, 13040590), (10, 7824354), (12, 6520295), (15, 5216236), (20, 3912177), (30, 2608118), (60, 1304059), (787, 99420), (1574, 49710), (1657, 47220), (2361, 33140), (3148, 24855), (3314, 23610), (3935, 19884), (4722, 16570), (4971, 15740), (6628, 11805), (7870, 9942), (8285, 9444)]