220778640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{239}}^1\times {\mathrm{1283}}^1$

素因数の和:1541

約数の個数: 120

約数和(自身を含む): 745130880

約数和(自身を除く): 524352240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 239, 240, 360, 478, 717, 720, 956, 1195, 1283, 1434, 1912, 2151, 2390, 2566, 2868, 3585, 3824, 3849, 4302, 4780, 5132, 5736, 6415, 7170, 7698, 8604, 9560, 10264, 10755, 11472, 11547, 12830, 14340, 15396, 17208, 19120, 19245, 20528, 21510, 23094, 25660, 28680, 30792, 34416, 38490, 43020, 46188, 51320, 57360, 57735, 61584, 76980, 86040, 92376, 102640, 115470, 153960, 172080, 184752, 230940, 306637, 307920, 461880, 613274, 919911, 923760, 1226548, 1533185, 1839822, 2453096, 2759733, 3066370, 3679644, 4599555, 4906192, 5519466, 6132740, 7359288, 9199110, 11038932, 12265480, 13798665, 14718576, 18398220, 22077864, 24530960, 27597330, 36796440, 44155728, 55194660, 73592880, 110389320, 220778640]

約数ペア:

[(1, 220778640), (2, 110389320), (3, 73592880), (4, 55194660), (5, 44155728), (6, 36796440), (8, 27597330), (9, 24530960), (10, 22077864), (12, 18398220), (15, 14718576), (16, 13798665), (18, 12265480), (20, 11038932), (24, 9199110), (30, 7359288), (36, 6132740), (40, 5519466), (45, 4906192), (48, 4599555), (60, 3679644), (72, 3066370), (80, 2759733), (90, 2453096), (120, 1839822), (144, 1533185), (180, 1226548), (239, 923760), (240, 919911), (360, 613274), (478, 461880), (717, 307920), (720, 306637), (956, 230940), (1195, 184752), (1283, 172080), (1434, 153960), (1912, 115470), (2151, 102640), (2390, 92376), (2566, 86040), (2868, 76980), (3585, 61584), (3824, 57735), (3849, 57360), (4302, 51320), (4780, 46188), (5132, 43020), (5736, 38490), (6415, 34416), (7170, 30792), (7698, 28680), (8604, 25660), (9560, 23094), (10264, 21510), (10755, 20528), (11472, 19245), (11547, 19120), (12830, 17208), (14340, 15396)]