72951520

素因数分解:

$2^5\times 5^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:260

約数の個数: 96

約数和(自身を含む): 179625600

約数和(自身を除く): 106674080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 47, 80, 89, 94, 109, 160, 178, 188, 218, 235, 356, 376, 436, 445, 470, 545, 712, 752, 872, 890, 940, 1090, 1424, 1504, 1744, 1780, 1880, 2180, 2848, 3488, 3560, 3760, 4183, 4360, 5123, 7120, 7520, 8366, 8720, 9701, 10246, 14240, 16732, 17440, 19402, 20492, 20915, 25615, 33464, 38804, 40984, 41830, 48505, 51230, 66928, 77608, 81968, 83660, 97010, 102460, 133856, 155216, 163936, 167320, 194020, 204920, 310432, 334640, 388040, 409840, 455947, 669280, 776080, 819680, 911894, 1552160, 1823788, 2279735, 3647576, 4559470, 7295152, 9118940, 14590304, 18237880, 36475760, 72951520]

約数ペア:

[(1, 72951520), (2, 36475760), (4, 18237880), (5, 14590304), (8, 9118940), (10, 7295152), (16, 4559470), (20, 3647576), (32, 2279735), (40, 1823788), (47, 1552160), (80, 911894), (89, 819680), (94, 776080), (109, 669280), (160, 455947), (178, 409840), (188, 388040), (218, 334640), (235, 310432), (356, 204920), (376, 194020), (436, 167320), (445, 163936), (470, 155216), (545, 133856), (712, 102460), (752, 97010), (872, 83660), (890, 81968), (940, 77608), (1090, 66928), (1424, 51230), (1504, 48505), (1744, 41830), (1780, 40984), (1880, 38804), (2180, 33464), (2848, 25615), (3488, 20915), (3560, 20492), (3760, 19402), (4183, 17440), (4360, 16732), (5123, 14240), (7120, 10246), (7520, 9701), (8366, 8720)]