82581660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{3121}}^1$

素因数の和:3153

約数の個数: 144

約数和(自身を含む): 298962720

約数和(自身を除く): 216381060

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3121, 3780, 4410, 5292, 6242, 6615, 8820, 9363, 12484, 13230, 15605, 18726, 21847, 26460, 28089, 31210, 37452, 43694, 46815, 56178, 62420, 65541, 84267, 87388, 93630, 109235, 112356, 131082, 140445, 152929, 168534, 187260, 196623, 218470, 262164, 280890, 305858, 327705, 337068, 393246, 421335, 436940, 458787, 561780, 589869, 611716, 655410, 764645, 786492, 842670, 917574, 983115, 1179738, 1310820, 1376361, 1529290, 1685340, 1835148, 1966230, 2293935, 2359476, 2752722, 2949345, 3058580, 3932460, 4129083, 4587870, 5505444, 5898690, 6881805, 8258166, 9175740, 11797380, 13763610, 16516332, 20645415, 27527220, 41290830, 82581660]

約数ペア:

[(1, 82581660), (2, 41290830), (3, 27527220), (4, 20645415), (5, 16516332), (6, 13763610), (7, 11797380), (9, 9175740), (10, 8258166), (12, 6881805), (14, 5898690), (15, 5505444), (18, 4587870), (20, 4129083), (21, 3932460), (27, 3058580), (28, 2949345), (30, 2752722), (35, 2359476), (36, 2293935), (42, 1966230), (45, 1835148), (49, 1685340), (54, 1529290), (60, 1376361), (63, 1310820), (70, 1179738), (84, 983115), (90, 917574), (98, 842670), (105, 786492), (108, 764645), (126, 655410), (135, 611716), (140, 589869), (147, 561780), (180, 458787), (189, 436940), (196, 421335), (210, 393246), (245, 337068), (252, 327705), (270, 305858), (294, 280890), (315, 262164), (378, 218470), (420, 196623), (441, 187260), (490, 168534), (540, 152929), (588, 140445), (630, 131082), (735, 112356), (756, 109235), (882, 93630), (945, 87388), (980, 84267), (1260, 65541), (1323, 62420), (1470, 56178), (1764, 46815), (1890, 43694), (2205, 37452), (2646, 31210), (2940, 28089), (3121, 26460), (3780, 21847), (4410, 18726), (5292, 15605), (6242, 13230), (6615, 12484), (8820, 9363)]