389995440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{1123}}^1\times {\mathrm{1447}}^1$

素因数の和:2586

約数の個数: 80

約数和(自身を含む): 1210898688

約数和(自身を除く): 820903248

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 1123, 1447, 2246, 2894, 3369, 4341, 4492, 5615, 5788, 6738, 7235, 8682, 8984, 11230, 11576, 13476, 14470, 16845, 17364, 17968, 21705, 22460, 23152, 26952, 28940, 33690, 34728, 43410, 44920, 53904, 57880, 67380, 69456, 86820, 89840, 115760, 134760, 173640, 269520, 347280, 1624981, 3249962, 4874943, 6499924, 8124905, 9749886, 12999848, 16249810, 19499772, 24374715, 25999696, 32499620, 38999544, 48749430, 64999240, 77999088, 97498860, 129998480, 194997720, 389995440]

約数ペア:

[(1, 389995440), (2, 194997720), (3, 129998480), (4, 97498860), (5, 77999088), (6, 64999240), (8, 48749430), (10, 38999544), (12, 32499620), (15, 25999696), (16, 24374715), (20, 19499772), (24, 16249810), (30, 12999848), (40, 9749886), (48, 8124905), (60, 6499924), (80, 4874943), (120, 3249962), (240, 1624981), (1123, 347280), (1447, 269520), (2246, 173640), (2894, 134760), (3369, 115760), (4341, 89840), (4492, 86820), (5615, 69456), (5788, 67380), (6738, 57880), (7235, 53904), (8682, 44920), (8984, 43410), (11230, 34728), (11576, 33690), (13476, 28940), (14470, 26952), (16845, 23152), (17364, 22460), (17968, 21705)]