19410960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2609}}^1$

素因数の和:2656

約数の個数: 80

約数和(自身を含む): 62138880

約数和(自身を除く): 42727920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 40, 48, 60, 62, 80, 93, 120, 124, 155, 186, 240, 248, 310, 372, 465, 496, 620, 744, 930, 1240, 1488, 1860, 2480, 2609, 3720, 5218, 7440, 7827, 10436, 13045, 15654, 20872, 26090, 31308, 39135, 41744, 52180, 62616, 78270, 80879, 104360, 125232, 156540, 161758, 208720, 242637, 313080, 323516, 404395, 485274, 626160, 647032, 808790, 970548, 1213185, 1294064, 1617580, 1941096, 2426370, 3235160, 3882192, 4852740, 6470320, 9705480, 19410960]

約数ペア:

[(1, 19410960), (2, 9705480), (3, 6470320), (4, 4852740), (5, 3882192), (6, 3235160), (8, 2426370), (10, 1941096), (12, 1617580), (15, 1294064), (16, 1213185), (20, 970548), (24, 808790), (30, 647032), (31, 626160), (40, 485274), (48, 404395), (60, 323516), (62, 313080), (80, 242637), (93, 208720), (120, 161758), (124, 156540), (155, 125232), (186, 104360), (240, 80879), (248, 78270), (310, 62616), (372, 52180), (465, 41744), (496, 39135), (620, 31308), (744, 26090), (930, 20872), (1240, 15654), (1488, 13045), (1860, 10436), (2480, 7827), (2609, 7440), (3720, 5218)]