311001920

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{293}}^1$

素因数の和:448

約数の個数: 112

約数和(自身を含む): 774240768

約数和(自身を除く): 463238848

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 107, 124, 155, 160, 214, 248, 293, 310, 320, 428, 496, 535, 586, 620, 856, 992, 1070, 1172, 1240, 1465, 1712, 1984, 2140, 2344, 2480, 2930, 3317, 3424, 4280, 4688, 4960, 5860, 6634, 6848, 8560, 9083, 9376, 9920, 11720, 13268, 16585, 17120, 18166, 18752, 23440, 26536, 31351, 33170, 34240, 36332, 45415, 46880, 53072, 62702, 66340, 72664, 90830, 93760, 106144, 125404, 132680, 145328, 156755, 181660, 212288, 250808, 265360, 290656, 313510, 363320, 501616, 530720, 581312, 627020, 726640, 971881, 1003232, 1061440, 1254040, 1453280, 1943762, 2006464, 2508080, 2906560, 3887524, 4859405, 5016160, 7775048, 9718810, 10032320, 15550096, 19437620, 31100192, 38875240, 62200384, 77750480, 155500960, 311001920]

約数ペア:

[(1, 311001920), (2, 155500960), (4, 77750480), (5, 62200384), (8, 38875240), (10, 31100192), (16, 19437620), (20, 15550096), (31, 10032320), (32, 9718810), (40, 7775048), (62, 5016160), (64, 4859405), (80, 3887524), (107, 2906560), (124, 2508080), (155, 2006464), (160, 1943762), (214, 1453280), (248, 1254040), (293, 1061440), (310, 1003232), (320, 971881), (428, 726640), (496, 627020), (535, 581312), (586, 530720), (620, 501616), (856, 363320), (992, 313510), (1070, 290656), (1172, 265360), (1240, 250808), (1465, 212288), (1712, 181660), (1984, 156755), (2140, 145328), (2344, 132680), (2480, 125404), (2930, 106144), (3317, 93760), (3424, 90830), (4280, 72664), (4688, 66340), (4960, 62702), (5860, 53072), (6634, 46880), (6848, 45415), (8560, 36332), (9083, 34240), (9376, 33170), (9920, 31351), (11720, 26536), (13268, 23440), (16585, 18752), (17120, 18166)]