2051704920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{211}}^1\times {\mathrm{81031}}^1$

素因数の和:81256

約数の個数: 64

約数和(自身を含む): 6184362240

約数和(自身を除く): 4132657320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 211, 422, 633, 844, 1055, 1266, 1688, 2110, 2532, 3165, 4220, 5064, 6330, 8440, 12660, 25320, 81031, 162062, 243093, 324124, 405155, 486186, 648248, 810310, 972372, 1215465, 1620620, 1944744, 2430930, 3241240, 4861860, 9723720, 17097541, 34195082, 51292623, 68390164, 85487705, 102585246, 136780328, 170975410, 205170492, 256463115, 341950820, 410340984, 512926230, 683901640, 1025852460, 2051704920]

約数ペア:

[(1, 2051704920), (2, 1025852460), (3, 683901640), (4, 512926230), (5, 410340984), (6, 341950820), (8, 256463115), (10, 205170492), (12, 170975410), (15, 136780328), (20, 102585246), (24, 85487705), (30, 68390164), (40, 51292623), (60, 34195082), (120, 17097541), (211, 9723720), (422, 4861860), (633, 3241240), (844, 2430930), (1055, 1944744), (1266, 1620620), (1688, 1215465), (2110, 972372), (2532, 810310), (3165, 648248), (4220, 486186), (5064, 405155), (6330, 324124), (8440, 243093), (12660, 162062), (25320, 81031)]