30887680

素因数分解:

$2^8\times 5^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1$

素因数の和:489

約数の個数: 72

約数和(自身を含む): 75423600

約数和(自身を除く): 44535920

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 59, 64, 80, 118, 128, 160, 236, 256, 295, 320, 409, 472, 590, 640, 818, 944, 1180, 1280, 1636, 1888, 2045, 2360, 3272, 3776, 4090, 4720, 6544, 7552, 8180, 9440, 13088, 15104, 16360, 18880, 24131, 26176, 32720, 37760, 48262, 52352, 65440, 75520, 96524, 104704, 120655, 130880, 193048, 241310, 261760, 386096, 482620, 523520, 772192, 965240, 1544384, 1930480, 3088768, 3860960, 6177536, 7721920, 15443840, 30887680]

約数ペア:

[(1, 30887680), (2, 15443840), (4, 7721920), (5, 6177536), (8, 3860960), (10, 3088768), (16, 1930480), (20, 1544384), (32, 965240), (40, 772192), (59, 523520), (64, 482620), (80, 386096), (118, 261760), (128, 241310), (160, 193048), (236, 130880), (256, 120655), (295, 104704), (320, 96524), (409, 75520), (472, 65440), (590, 52352), (640, 48262), (818, 37760), (944, 32720), (1180, 26176), (1280, 24131), (1636, 18880), (1888, 16360), (2045, 15104), (2360, 13088), (3272, 9440), (3776, 8180), (4090, 7552), (4720, 6544)]