257339760

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{761}}^1\times {\mathrm{1409}}^1$

素因数の和:2186

約数の個数: 80

約数和(自身を含む): 799368480

約数和(自身を除く): 542028720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 761, 1409, 1522, 2283, 2818, 3044, 3805, 4227, 4566, 5636, 6088, 7045, 7610, 8454, 9132, 11272, 11415, 12176, 14090, 15220, 16908, 18264, 21135, 22544, 22830, 28180, 30440, 33816, 36528, 42270, 45660, 56360, 60880, 67632, 84540, 91320, 112720, 169080, 182640, 338160, 1072249, 2144498, 3216747, 4288996, 5361245, 6433494, 8577992, 10722490, 12866988, 16083735, 17155984, 21444980, 25733976, 32167470, 42889960, 51467952, 64334940, 85779920, 128669880, 257339760]

約数ペア:

[(1, 257339760), (2, 128669880), (3, 85779920), (4, 64334940), (5, 51467952), (6, 42889960), (8, 32167470), (10, 25733976), (12, 21444980), (15, 17155984), (16, 16083735), (20, 12866988), (24, 10722490), (30, 8577992), (40, 6433494), (48, 5361245), (60, 4288996), (80, 3216747), (120, 2144498), (240, 1072249), (761, 338160), (1409, 182640), (1522, 169080), (2283, 112720), (2818, 91320), (3044, 84540), (3805, 67632), (4227, 60880), (4566, 56360), (5636, 45660), (6088, 42270), (7045, 36528), (7610, 33816), (8454, 30440), (9132, 28180), (11272, 22830), (11415, 22544), (12176, 21135), (14090, 18264), (15220, 16908)]