1238403780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{6880021}}^1$

素因数の和:6880036

約数の個数: 36

約数和(自身を含む): 3756492012

約数和(自身を除く): 2518088232

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 6880021, 13760042, 20640063, 27520084, 34400105, 41280126, 61920189, 68800210, 82560252, 103200315, 123840378, 137600420, 206400630, 247680756, 309600945, 412801260, 619201890, 1238403780]

約数ペア:

[(1, 1238403780), (2, 619201890), (3, 412801260), (4, 309600945), (5, 247680756), (6, 206400630), (9, 137600420), (10, 123840378), (12, 103200315), (15, 82560252), (18, 68800210), (20, 61920189), (30, 41280126), (36, 34400105), (45, 27520084), (60, 20640063), (90, 13760042), (180, 6880021)]