639116160

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{332873}}^1$

素因数の和:332895

約数の個数: 64

約数和(自身を含む): 2037188880

約数和(自身を除く): 1398072720

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, 320, 384, 480, 640, 960, 1920, 332873, 665746, 998619, 1331492, 1664365, 1997238, 2662984, 3328730, 3994476, 4993095, 5325968, 6657460, 7988952, 9986190, 10651936, 13314920, 15977904, 19972380, 21303872, 26629840, 31955808, 39944760, 42607744, 53259680, 63911616, 79889520, 106519360, 127823232, 159779040, 213038720, 319558080, 639116160]

約数ペア:

[(1, 639116160), (2, 319558080), (3, 213038720), (4, 159779040), (5, 127823232), (6, 106519360), (8, 79889520), (10, 63911616), (12, 53259680), (15, 42607744), (16, 39944760), (20, 31955808), (24, 26629840), (30, 21303872), (32, 19972380), (40, 15977904), (48, 13314920), (60, 10651936), (64, 9986190), (80, 7988952), (96, 6657460), (120, 5325968), (128, 4993095), (160, 3994476), (192, 3328730), (240, 2662984), (320, 1997238), (384, 1664365), (480, 1331492), (640, 998619), (960, 665746), (1920, 332873)]