303840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{211}}^1$

素因数の和:232

約数の個数: 72

約数和(自身を含む): 1041768

約数和(自身を除く): 737928

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 211, 240, 288, 360, 422, 480, 633, 720, 844, 1055, 1266, 1440, 1688, 1899, 2110, 2532, 3165, 3376, 3798, 4220, 5064, 6330, 6752, 7596, 8440, 9495, 10128, 12660, 15192, 16880, 18990, 20256, 25320, 30384, 33760, 37980, 50640, 60768, 75960, 101280, 151920, 303840]

約数ペア:

[(1, 303840), (2, 151920), (3, 101280), (4, 75960), (5, 60768), (6, 50640), (8, 37980), (9, 33760), (10, 30384), (12, 25320), (15, 20256), (16, 18990), (18, 16880), (20, 15192), (24, 12660), (30, 10128), (32, 9495), (36, 8440), (40, 7596), (45, 6752), (48, 6330), (60, 5064), (72, 4220), (80, 3798), (90, 3376), (96, 3165), (120, 2532), (144, 2110), (160, 1899), (180, 1688), (211, 1440), (240, 1266), (288, 1055), (360, 844), (422, 720), (480, 633)]