78336540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{349}}^1$

素因数の和:436

約数の個数: 144

約数和(自身を含む): 252252000

約数和(自身を除く): 173915460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 43, 45, 58, 60, 86, 87, 90, 116, 129, 145, 172, 174, 180, 215, 258, 261, 290, 348, 349, 387, 430, 435, 516, 522, 580, 645, 698, 774, 860, 870, 1044, 1047, 1247, 1290, 1305, 1396, 1548, 1740, 1745, 1935, 2094, 2494, 2580, 2610, 3141, 3490, 3741, 3870, 4188, 4988, 5220, 5235, 6235, 6282, 6980, 7482, 7740, 10121, 10470, 11223, 12470, 12564, 14964, 15007, 15705, 18705, 20242, 20940, 22446, 24940, 30014, 30363, 31410, 37410, 40484, 44892, 45021, 50605, 56115, 60028, 60726, 62820, 74820, 75035, 90042, 91089, 101210, 112230, 121452, 135063, 150070, 151815, 180084, 182178, 202420, 224460, 225105, 270126, 300140, 303630, 364356, 435203, 450210, 455445, 540252, 607260, 675315, 870406, 900420, 910890, 1305609, 1350630, 1740812, 1821780, 2176015, 2611218, 2701260, 3916827, 4352030, 5222436, 6528045, 7833654, 8704060, 13056090, 15667308, 19584135, 26112180, 39168270, 78336540]

約数ペア:

[(1, 78336540), (2, 39168270), (3, 26112180), (4, 19584135), (5, 15667308), (6, 13056090), (9, 8704060), (10, 7833654), (12, 6528045), (15, 5222436), (18, 4352030), (20, 3916827), (29, 2701260), (30, 2611218), (36, 2176015), (43, 1821780), (45, 1740812), (58, 1350630), (60, 1305609), (86, 910890), (87, 900420), (90, 870406), (116, 675315), (129, 607260), (145, 540252), (172, 455445), (174, 450210), (180, 435203), (215, 364356), (258, 303630), (261, 300140), (290, 270126), (348, 225105), (349, 224460), (387, 202420), (430, 182178), (435, 180084), (516, 151815), (522, 150070), (580, 135063), (645, 121452), (698, 112230), (774, 101210), (860, 91089), (870, 90042), (1044, 75035), (1047, 74820), (1247, 62820), (1290, 60726), (1305, 60028), (1396, 56115), (1548, 50605), (1740, 45021), (1745, 44892), (1935, 40484), (2094, 37410), (2494, 31410), (2580, 30363), (2610, 30014), (3141, 24940), (3490, 22446), (3741, 20940), (3870, 20242), (4188, 18705), (4988, 15705), (5220, 15007), (5235, 14964), (6235, 12564), (6282, 12470), (6980, 11223), (7482, 10470), (7740, 10121)]