12213180

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{359}}^1$

素因数の和:390

約数の個数: 144

約数和(自身を含む): 44029440

約数和(自身を除く): 31816260

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, 54, 60, 63, 70, 81, 84, 90, 105, 108, 126, 135, 140, 162, 180, 189, 210, 243, 252, 270, 315, 324, 359, 378, 405, 420, 486, 540, 567, 630, 718, 756, 810, 945, 972, 1077, 1134, 1215, 1260, 1436, 1620, 1701, 1795, 1890, 2154, 2268, 2430, 2513, 2835, 3231, 3402, 3590, 3780, 4308, 4860, 5026, 5385, 5670, 6462, 6804, 7180, 7539, 8505, 9693, 10052, 10770, 11340, 12565, 12924, 15078, 16155, 17010, 19386, 21540, 22617, 25130, 29079, 30156, 32310, 34020, 37695, 38772, 45234, 48465, 50260, 58158, 64620, 67851, 75390, 87237, 90468, 96930, 113085, 116316, 135702, 145395, 150780, 174474, 193860, 203553, 226170, 271404, 290790, 339255, 348948, 407106, 436185, 452340, 581580, 610659, 678510, 814212, 872370, 1017765, 1221318, 1357020, 1744740, 2035530, 2442636, 3053295, 4071060, 6106590, 12213180]

約数ペア:

[(1, 12213180), (2, 6106590), (3, 4071060), (4, 3053295), (5, 2442636), (6, 2035530), (7, 1744740), (9, 1357020), (10, 1221318), (12, 1017765), (14, 872370), (15, 814212), (18, 678510), (20, 610659), (21, 581580), (27, 452340), (28, 436185), (30, 407106), (35, 348948), (36, 339255), (42, 290790), (45, 271404), (54, 226170), (60, 203553), (63, 193860), (70, 174474), (81, 150780), (84, 145395), (90, 135702), (105, 116316), (108, 113085), (126, 96930), (135, 90468), (140, 87237), (162, 75390), (180, 67851), (189, 64620), (210, 58158), (243, 50260), (252, 48465), (270, 45234), (315, 38772), (324, 37695), (359, 34020), (378, 32310), (405, 30156), (420, 29079), (486, 25130), (540, 22617), (567, 21540), (630, 19386), (718, 17010), (756, 16155), (810, 15078), (945, 12924), (972, 12565), (1077, 11340), (1134, 10770), (1215, 10052), (1260, 9693), (1436, 8505), (1620, 7539), (1701, 7180), (1795, 6804), (1890, 6462), (2154, 5670), (2268, 5385), (2430, 5026), (2513, 4860), (2835, 4308), (3231, 3780), (3402, 3590)]