788882580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{211}}^1\times {\mathrm{20771}}^1$

素因数の和:20997

約数の個数: 72

約数和(自身を含む): 2404400544

約数和(自身を除く): 1615517964

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 211, 422, 633, 844, 1055, 1266, 1899, 2110, 2532, 3165, 3798, 4220, 6330, 7596, 9495, 12660, 18990, 20771, 37980, 41542, 62313, 83084, 103855, 124626, 186939, 207710, 249252, 311565, 373878, 415420, 623130, 747756, 934695, 1246260, 1869390, 3738780, 4382681, 8765362, 13148043, 17530724, 21913405, 26296086, 39444129, 43826810, 52592172, 65740215, 78888258, 87653620, 131480430, 157776516, 197220645, 262960860, 394441290, 788882580]

約数ペア:

[(1, 788882580), (2, 394441290), (3, 262960860), (4, 197220645), (5, 157776516), (6, 131480430), (9, 87653620), (10, 78888258), (12, 65740215), (15, 52592172), (18, 43826810), (20, 39444129), (30, 26296086), (36, 21913405), (45, 17530724), (60, 13148043), (90, 8765362), (180, 4382681), (211, 3738780), (422, 1869390), (633, 1246260), (844, 934695), (1055, 747756), (1266, 623130), (1899, 415420), (2110, 373878), (2532, 311565), (3165, 249252), (3798, 207710), (4220, 186939), (6330, 124626), (7596, 103855), (9495, 83084), (12660, 62313), (18990, 41542), (20771, 37980)]