641226720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{1335889}}^1$

素因数の和:1335907

約数の個数: 48

約数和(自身を含む): 2019865680

約数和(自身を除く): 1378638960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 1335889, 2671778, 4007667, 5343556, 6679445, 8015334, 10687112, 13358890, 16030668, 20038335, 21374224, 26717780, 32061336, 40076670, 42748448, 53435560, 64122672, 80153340, 106871120, 128245344, 160306680, 213742240, 320613360, 641226720]

約数ペア:

[(1, 641226720), (2, 320613360), (3, 213742240), (4, 160306680), (5, 128245344), (6, 106871120), (8, 80153340), (10, 64122672), (12, 53435560), (15, 42748448), (16, 40076670), (20, 32061336), (24, 26717780), (30, 21374224), (32, 20038335), (40, 16030668), (48, 13358890), (60, 10687112), (80, 8015334), (96, 6679445), (120, 5343556), (160, 4007667), (240, 2671778), (480, 1335889)]