668889180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1549}}^1\times {\mathrm{2399}}^1$

素因数の和:3963

約数の個数: 72

約数和(自身を含む): 2031120000

約数和(自身を除く): 1362230820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1549, 2399, 3098, 4647, 4798, 6196, 7197, 7745, 9294, 9596, 11995, 13941, 14394, 15490, 18588, 21591, 23235, 23990, 27882, 28788, 30980, 35985, 43182, 46470, 47980, 55764, 69705, 71970, 86364, 92940, 107955, 139410, 143940, 215910, 278820, 431820, 3716051, 7432102, 11148153, 14864204, 18580255, 22296306, 33444459, 37160510, 44592612, 55740765, 66888918, 74321020, 111481530, 133777836, 167222295, 222963060, 334444590, 668889180]

約数ペア:

[(1, 668889180), (2, 334444590), (3, 222963060), (4, 167222295), (5, 133777836), (6, 111481530), (9, 74321020), (10, 66888918), (12, 55740765), (15, 44592612), (18, 37160510), (20, 33444459), (30, 22296306), (36, 18580255), (45, 14864204), (60, 11148153), (90, 7432102), (180, 3716051), (1549, 431820), (2399, 278820), (3098, 215910), (4647, 143940), (4798, 139410), (6196, 107955), (7197, 92940), (7745, 86364), (9294, 71970), (9596, 69705), (11995, 55764), (13941, 47980), (14394, 46470), (15490, 43182), (18588, 35985), (21591, 30980), (23235, 28788), (23990, 27882)]