77780760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{648173}}^1$

素因数の和:648187

約数の個数: 32

約数和(自身を含む): 233342640

約数和(自身を除く): 155561880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 648173, 1296346, 1944519, 2592692, 3240865, 3889038, 5185384, 6481730, 7778076, 9722595, 12963460, 15556152, 19445190, 25926920, 38890380, 77780760]

約数ペア:

[(1, 77780760), (2, 38890380), (3, 25926920), (4, 19445190), (5, 15556152), (6, 12963460), (8, 9722595), (10, 7778076), (12, 6481730), (15, 5185384), (20, 3889038), (24, 3240865), (30, 2592692), (40, 1944519), (60, 1296346), (120, 648173)]