636405840

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{126271}}^1$

素因数の和:126297

約数の個数: 120

約数和(自身を含む): 2442605568

約数和(自身を除く): 1806199728

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 126271, 252542, 378813, 505084, 631355, 757626, 883897, 1010168, 1136439, 1262710, 1515252, 1767794, 1894065, 2020336, 2272878, 2525420, 2651691, 3030504, 3535588, 3788130, 4419485, 4545756, 5050840, 5303382, 5682195, 6061008, 7071176, 7576260, 7955073, 8838970, 9091512, 10101680, 10606764, 11364390, 13258455, 14142352, 15152520, 15910146, 17677940, 18183024, 21213528, 22728780, 26516910, 30305040, 31820292, 35355880, 39775365, 42427056, 45457560, 53033820, 63640584, 70711760, 79550730, 90915120, 106067640, 127281168, 159101460, 212135280, 318202920, 636405840]

約数ペア:

[(1, 636405840), (2, 318202920), (3, 212135280), (4, 159101460), (5, 127281168), (6, 106067640), (7, 90915120), (8, 79550730), (9, 70711760), (10, 63640584), (12, 53033820), (14, 45457560), (15, 42427056), (16, 39775365), (18, 35355880), (20, 31820292), (21, 30305040), (24, 26516910), (28, 22728780), (30, 21213528), (35, 18183024), (36, 17677940), (40, 15910146), (42, 15152520), (45, 14142352), (48, 13258455), (56, 11364390), (60, 10606764), (63, 10101680), (70, 9091512), (72, 8838970), (80, 7955073), (84, 7576260), (90, 7071176), (105, 6061008), (112, 5682195), (120, 5303382), (126, 5050840), (140, 4545756), (144, 4419485), (168, 3788130), (180, 3535588), (210, 3030504), (240, 2651691), (252, 2525420), (280, 2272878), (315, 2020336), (336, 1894065), (360, 1767794), (420, 1515252), (504, 1262710), (560, 1136439), (630, 1010168), (720, 883897), (840, 757626), (1008, 631355), (1260, 505084), (1680, 378813), (2520, 252542), (5040, 126271)]