399805440

素因数分解:

$2^{10}\times 3^1\times 5^1\times {\mathrm{26029}}^1$

素因数の和:26057

約数の個数: 88

約数和(自身を含む): 1278801840

約数和(自身を除く): 878996400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 512, 640, 768, 960, 1024, 1280, 1536, 1920, 2560, 3072, 3840, 5120, 7680, 15360, 26029, 52058, 78087, 104116, 130145, 156174, 208232, 260290, 312348, 390435, 416464, 520580, 624696, 780870, 832928, 1041160, 1249392, 1561740, 1665856, 2082320, 2498784, 3123480, 3331712, 4164640, 4997568, 6246960, 6663424, 8329280, 9995136, 12493920, 13326848, 16658560, 19990272, 24987840, 26653696, 33317120, 39980544, 49975680, 66634240, 79961088, 99951360, 133268480, 199902720, 399805440]

約数ペア:

[(1, 399805440), (2, 199902720), (3, 133268480), (4, 99951360), (5, 79961088), (6, 66634240), (8, 49975680), (10, 39980544), (12, 33317120), (15, 26653696), (16, 24987840), (20, 19990272), (24, 16658560), (30, 13326848), (32, 12493920), (40, 9995136), (48, 8329280), (60, 6663424), (64, 6246960), (80, 4997568), (96, 4164640), (120, 3331712), (128, 3123480), (160, 2498784), (192, 2082320), (240, 1665856), (256, 1561740), (320, 1249392), (384, 1041160), (480, 832928), (512, 780870), (640, 624696), (768, 520580), (960, 416464), (1024, 390435), (1280, 312348), (1536, 260290), (1920, 208232), (2560, 156174), (3072, 130145), (3840, 104116), (5120, 78087), (7680, 52058), (15360, 26029)]