12781644840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{35504569}}^1$

素因数の和:35504586

約数の個数: 48

約数和(自身を含む): 41540346900

約数和(自身を除く): 28758702060

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 35504569, 71009138, 106513707, 142018276, 177522845, 213027414, 284036552, 319541121, 355045690, 426054828, 532568535, 639082242, 710091380, 852109656, 1065137070, 1278164484, 1420182760, 1597705605, 2130274140, 2556328968, 3195411210, 4260548280, 6390822420, 12781644840]

約数ペア:

[(1, 12781644840), (2, 6390822420), (3, 4260548280), (4, 3195411210), (5, 2556328968), (6, 2130274140), (8, 1597705605), (9, 1420182760), (10, 1278164484), (12, 1065137070), (15, 852109656), (18, 710091380), (20, 639082242), (24, 532568535), (30, 426054828), (36, 355045690), (40, 319541121), (45, 284036552), (60, 213027414), (72, 177522845), (90, 142018276), (120, 106513707), (180, 71009138), (360, 35504569)]