30705720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^2$

素因数の和:213

約数の個数: 96

約数和(自身を含む): 95573520

約数和(自身を除く): 64867800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 79, 82, 120, 123, 158, 164, 205, 237, 246, 316, 328, 395, 410, 474, 492, 615, 632, 790, 820, 948, 984, 1185, 1230, 1580, 1640, 1896, 2370, 2460, 3160, 3239, 4740, 4920, 6241, 6478, 9480, 9717, 12482, 12956, 16195, 18723, 19434, 24964, 25912, 31205, 32390, 37446, 38868, 48585, 49928, 62410, 64780, 74892, 77736, 93615, 97170, 124820, 129560, 149784, 187230, 194340, 249640, 255881, 374460, 388680, 511762, 748920, 767643, 1023524, 1279405, 1535286, 2047048, 2558810, 3070572, 3838215, 5117620, 6141144, 7676430, 10235240, 15352860, 30705720]

約数ペア:

[(1, 30705720), (2, 15352860), (3, 10235240), (4, 7676430), (5, 6141144), (6, 5117620), (8, 3838215), (10, 3070572), (12, 2558810), (15, 2047048), (20, 1535286), (24, 1279405), (30, 1023524), (40, 767643), (41, 748920), (60, 511762), (79, 388680), (82, 374460), (120, 255881), (123, 249640), (158, 194340), (164, 187230), (205, 149784), (237, 129560), (246, 124820), (316, 97170), (328, 93615), (395, 77736), (410, 74892), (474, 64780), (492, 62410), (615, 49928), (632, 48585), (790, 38868), (820, 37446), (948, 32390), (984, 31205), (1185, 25912), (1230, 24964), (1580, 19434), (1640, 18723), (1896, 16195), (2370, 12956), (2460, 12482), (3160, 9717), (3239, 9480), (4740, 6478), (4920, 6241)]