220789680

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{523}}^1\times {\mathrm{1759}}^1$

素因数の和:2298

約数の個数: 80

約数和(自身を含む): 686146560

約数和(自身を除く): 465356880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 523, 1046, 1569, 1759, 2092, 2615, 3138, 3518, 4184, 5230, 5277, 6276, 7036, 7845, 8368, 8795, 10460, 10554, 12552, 14072, 15690, 17590, 20920, 21108, 25104, 26385, 28144, 31380, 35180, 41840, 42216, 52770, 62760, 70360, 84432, 105540, 125520, 140720, 211080, 422160, 919957, 1839914, 2759871, 3679828, 4599785, 5519742, 7359656, 9199570, 11039484, 13799355, 14719312, 18399140, 22078968, 27598710, 36798280, 44157936, 55197420, 73596560, 110394840, 220789680]

約数ペア:

[(1, 220789680), (2, 110394840), (3, 73596560), (4, 55197420), (5, 44157936), (6, 36798280), (8, 27598710), (10, 22078968), (12, 18399140), (15, 14719312), (16, 13799355), (20, 11039484), (24, 9199570), (30, 7359656), (40, 5519742), (48, 4599785), (60, 3679828), (80, 2759871), (120, 1839914), (240, 919957), (523, 422160), (1046, 211080), (1569, 140720), (1759, 125520), (2092, 105540), (2615, 84432), (3138, 70360), (3518, 62760), (4184, 52770), (5230, 42216), (5277, 41840), (6276, 35180), (7036, 31380), (7845, 28144), (8368, 26385), (8795, 25104), (10460, 21108), (10554, 20920), (12552, 17590), (14072, 15690)]