28518960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{359}}^1$

素因数の和:706

約数の個数: 80

約数和(自身を含む): 88922880

約数和(自身を除く): 60403920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 331, 359, 662, 718, 993, 1077, 1324, 1436, 1655, 1795, 1986, 2154, 2648, 2872, 3310, 3590, 3972, 4308, 4965, 5296, 5385, 5744, 6620, 7180, 7944, 8616, 9930, 10770, 13240, 14360, 15888, 17232, 19860, 21540, 26480, 28720, 39720, 43080, 79440, 86160, 118829, 237658, 356487, 475316, 594145, 712974, 950632, 1188290, 1425948, 1782435, 1901264, 2376580, 2851896, 3564870, 4753160, 5703792, 7129740, 9506320, 14259480, 28518960]

約数ペア:

[(1, 28518960), (2, 14259480), (3, 9506320), (4, 7129740), (5, 5703792), (6, 4753160), (8, 3564870), (10, 2851896), (12, 2376580), (15, 1901264), (16, 1782435), (20, 1425948), (24, 1188290), (30, 950632), (40, 712974), (48, 594145), (60, 475316), (80, 356487), (120, 237658), (240, 118829), (331, 86160), (359, 79440), (662, 43080), (718, 39720), (993, 28720), (1077, 26480), (1324, 21540), (1436, 19860), (1655, 17232), (1795, 15888), (1986, 14360), (2154, 13240), (2648, 10770), (2872, 9930), (3310, 8616), (3590, 7944), (3972, 7180), (4308, 6620), (4965, 5744), (5296, 5385)]