20351090280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{277}}^1\times {\mathrm{3539}}^1$

素因数の和:4003

約数の個数: 128

約数和(自身を含む): 61645276800

約数和(自身を除く): 41294186520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 173, 277, 346, 519, 554, 692, 831, 865, 1038, 1108, 1384, 1385, 1662, 1730, 2076, 2216, 2595, 2770, 3324, 3460, 3539, 4152, 4155, 5190, 5540, 6648, 6920, 7078, 8310, 10380, 10617, 11080, 14156, 16620, 17695, 20760, 21234, 28312, 33240, 35390, 42468, 47921, 53085, 70780, 84936, 95842, 106170, 141560, 143763, 191684, 212340, 239605, 287526, 383368, 424680, 479210, 575052, 612247, 718815, 958420, 980303, 1150104, 1224494, 1437630, 1836741, 1916840, 1960606, 2448988, 2875260, 2940909, 3061235, 3673482, 3921212, 4897976, 4901515, 5750520, 5881818, 6122470, 7346964, 7842424, 9183705, 9803030, 11763636, 12244940, 14693928, 14704545, 18367410, 19606060, 23527272, 24489880, 29409090, 36734820, 39212120, 58818180, 73469640, 117636360, 169592419, 339184838, 508777257, 678369676, 847962095, 1017554514, 1356739352, 1695924190, 2035109028, 2543886285, 3391848380, 4070218056, 5087772570, 6783696760, 10175545140, 20351090280]

約数ペア:

[(1, 20351090280), (2, 10175545140), (3, 6783696760), (4, 5087772570), (5, 4070218056), (6, 3391848380), (8, 2543886285), (10, 2035109028), (12, 1695924190), (15, 1356739352), (20, 1017554514), (24, 847962095), (30, 678369676), (40, 508777257), (60, 339184838), (120, 169592419), (173, 117636360), (277, 73469640), (346, 58818180), (519, 39212120), (554, 36734820), (692, 29409090), (831, 24489880), (865, 23527272), (1038, 19606060), (1108, 18367410), (1384, 14704545), (1385, 14693928), (1662, 12244940), (1730, 11763636), (2076, 9803030), (2216, 9183705), (2595, 7842424), (2770, 7346964), (3324, 6122470), (3460, 5881818), (3539, 5750520), (4152, 4901515), (4155, 4897976), (5190, 3921212), (5540, 3673482), (6648, 3061235), (6920, 2940909), (7078, 2875260), (8310, 2448988), (10380, 1960606), (10617, 1916840), (11080, 1836741), (14156, 1437630), (16620, 1224494), (17695, 1150104), (20760, 980303), (21234, 958420), (28312, 718815), (33240, 612247), (35390, 575052), (42468, 479210), (47921, 424680), (53085, 383368), (70780, 287526), (84936, 239605), (95842, 212340), (106170, 191684), (141560, 143763)]