389970960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{4909}}^1$

素因数の和:5256

約数の個数: 80

約数和(自身を含む): 1212809280

約数和(自身を除く): 822838320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 662, 993, 1324, 1655, 1986, 2648, 3310, 3972, 4909, 4965, 5296, 6620, 7944, 9818, 9930, 13240, 14727, 15888, 19636, 19860, 24545, 26480, 29454, 39272, 39720, 49090, 58908, 73635, 78544, 79440, 98180, 117816, 147270, 196360, 235632, 294540, 392720, 589080, 1178160, 1624879, 3249758, 4874637, 6499516, 8124395, 9749274, 12999032, 16248790, 19498548, 24373185, 25998064, 32497580, 38997096, 48746370, 64995160, 77994192, 97492740, 129990320, 194985480, 389970960]

約数ペア:

[(1, 389970960), (2, 194985480), (3, 129990320), (4, 97492740), (5, 77994192), (6, 64995160), (8, 48746370), (10, 38997096), (12, 32497580), (15, 25998064), (16, 24373185), (20, 19498548), (24, 16248790), (30, 12999032), (40, 9749274), (48, 8124395), (60, 6499516), (80, 4874637), (120, 3249758), (240, 1624879), (331, 1178160), (662, 589080), (993, 392720), (1324, 294540), (1655, 235632), (1986, 196360), (2648, 147270), (3310, 117816), (3972, 98180), (4909, 79440), (4965, 78544), (5296, 73635), (6620, 58908), (7944, 49090), (9818, 39720), (9930, 39272), (13240, 29454), (14727, 26480), (15888, 24545), (19636, 19860)]