278390880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{193327}}^1$

素因数の和:193348

約数の個数: 72

約数和(自身を含む): 950013792

約数和(自身を除く): 671622912

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 193327, 386654, 579981, 773308, 966635, 1159962, 1546616, 1739943, 1933270, 2319924, 2899905, 3093232, 3479886, 3866540, 4639848, 5799810, 6186464, 6959772, 7733080, 8699715, 9279696, 11599620, 13919544, 15466160, 17399430, 18559392, 23199240, 27839088, 30932320, 34798860, 46398480, 55678176, 69597720, 92796960, 139195440, 278390880]

約数ペア:

[(1, 278390880), (2, 139195440), (3, 92796960), (4, 69597720), (5, 55678176), (6, 46398480), (8, 34798860), (9, 30932320), (10, 27839088), (12, 23199240), (15, 18559392), (16, 17399430), (18, 15466160), (20, 13919544), (24, 11599620), (30, 9279696), (32, 8699715), (36, 7733080), (40, 6959772), (45, 6186464), (48, 5799810), (60, 4639848), (72, 3866540), (80, 3479886), (90, 3093232), (96, 2899905), (120, 2319924), (144, 1933270), (160, 1739943), (180, 1546616), (240, 1159962), (288, 966635), (360, 773308), (480, 579981), (720, 386654), (1440, 193327)]