64670720

素因数分解:

$2^{10}\times 5^1\times {\mathrm{17}}^1\times {\mathrm{743}}^1$

素因数の和:785

約数の個数: 88

約数和(自身を含む): 164480544

約数和(自身を除く): 99809824

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 128, 136, 160, 170, 256, 272, 320, 340, 512, 544, 640, 680, 743, 1024, 1088, 1280, 1360, 1486, 2176, 2560, 2720, 2972, 3715, 4352, 5120, 5440, 5944, 7430, 8704, 10880, 11888, 12631, 14860, 17408, 21760, 23776, 25262, 29720, 43520, 47552, 50524, 59440, 63155, 87040, 95104, 101048, 118880, 126310, 190208, 202096, 237760, 252620, 380416, 404192, 475520, 505240, 760832, 808384, 951040, 1010480, 1616768, 1902080, 2020960, 3233536, 3804160, 4041920, 6467072, 8083840, 12934144, 16167680, 32335360, 64670720]

約数ペア:

[(1, 64670720), (2, 32335360), (4, 16167680), (5, 12934144), (8, 8083840), (10, 6467072), (16, 4041920), (17, 3804160), (20, 3233536), (32, 2020960), (34, 1902080), (40, 1616768), (64, 1010480), (68, 951040), (80, 808384), (85, 760832), (128, 505240), (136, 475520), (160, 404192), (170, 380416), (256, 252620), (272, 237760), (320, 202096), (340, 190208), (512, 126310), (544, 118880), (640, 101048), (680, 95104), (743, 87040), (1024, 63155), (1088, 59440), (1280, 50524), (1360, 47552), (1486, 43520), (2176, 29720), (2560, 25262), (2720, 23776), (2972, 21760), (3715, 17408), (4352, 14860), (5120, 12631), (5440, 11888), (5944, 10880), (7430, 8704)]