66471240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1423

約数の個数: 128

約数和(自身を含む): 223585920

約数和(自身を除く): 157114680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 37, 40, 44, 55, 60, 66, 74, 88, 110, 111, 120, 132, 148, 165, 185, 220, 222, 264, 296, 330, 370, 407, 440, 444, 555, 660, 740, 814, 888, 1110, 1221, 1320, 1361, 1480, 1628, 2035, 2220, 2442, 2722, 3256, 4070, 4083, 4440, 4884, 5444, 6105, 6805, 8140, 8166, 9768, 10888, 12210, 13610, 14971, 16280, 16332, 20415, 24420, 27220, 29942, 32664, 40830, 44913, 48840, 50357, 54440, 59884, 74855, 81660, 89826, 100714, 119768, 149710, 151071, 163320, 179652, 201428, 224565, 251785, 299420, 302142, 359304, 402856, 449130, 503570, 553927, 598840, 604284, 755355, 898260, 1007140, 1107854, 1208568, 1510710, 1661781, 1796520, 2014280, 2215708, 2769635, 3021420, 3323562, 4431416, 5539270, 6042840, 6647124, 8308905, 11078540, 13294248, 16617810, 22157080, 33235620, 66471240]

約数ペア:

[(1, 66471240), (2, 33235620), (3, 22157080), (4, 16617810), (5, 13294248), (6, 11078540), (8, 8308905), (10, 6647124), (11, 6042840), (12, 5539270), (15, 4431416), (20, 3323562), (22, 3021420), (24, 2769635), (30, 2215708), (33, 2014280), (37, 1796520), (40, 1661781), (44, 1510710), (55, 1208568), (60, 1107854), (66, 1007140), (74, 898260), (88, 755355), (110, 604284), (111, 598840), (120, 553927), (132, 503570), (148, 449130), (165, 402856), (185, 359304), (220, 302142), (222, 299420), (264, 251785), (296, 224565), (330, 201428), (370, 179652), (407, 163320), (440, 151071), (444, 149710), (555, 119768), (660, 100714), (740, 89826), (814, 81660), (888, 74855), (1110, 59884), (1221, 54440), (1320, 50357), (1361, 48840), (1480, 44913), (1628, 40830), (2035, 32664), (2220, 29942), (2442, 27220), (2722, 24420), (3256, 20415), (4070, 16332), (4083, 16280), (4440, 14971), (4884, 13610), (5444, 12210), (6105, 10888), (6805, 9768), (8140, 8166)]