123427120

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{317}}^1$

素因数の和:518

約数の個数: 80

約数和(自身を含む): 299052288

約数和(自身を除く): 175625168

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 157, 248, 310, 314, 317, 496, 620, 628, 634, 785, 1240, 1256, 1268, 1570, 1585, 2480, 2512, 2536, 3140, 3170, 4867, 5072, 6280, 6340, 9734, 9827, 12560, 12680, 19468, 19654, 24335, 25360, 38936, 39308, 48670, 49135, 49769, 77872, 78616, 97340, 98270, 99538, 157232, 194680, 196540, 199076, 248845, 389360, 393080, 398152, 497690, 786160, 796304, 995380, 1542839, 1990760, 3085678, 3981520, 6171356, 7714195, 12342712, 15428390, 24685424, 30856780, 61713560, 123427120]

約数ペア:

[(1, 123427120), (2, 61713560), (4, 30856780), (5, 24685424), (8, 15428390), (10, 12342712), (16, 7714195), (20, 6171356), (31, 3981520), (40, 3085678), (62, 1990760), (80, 1542839), (124, 995380), (155, 796304), (157, 786160), (248, 497690), (310, 398152), (314, 393080), (317, 389360), (496, 248845), (620, 199076), (628, 196540), (634, 194680), (785, 157232), (1240, 99538), (1256, 98270), (1268, 97340), (1570, 78616), (1585, 77872), (2480, 49769), (2512, 49135), (2536, 48670), (3140, 39308), (3170, 38936), (4867, 25360), (5072, 24335), (6280, 19654), (6340, 19468), (9734, 12680), (9827, 12560)]