64647040

素因数分解:

$2^7\times 5^1\times {\mathrm{83}}^1\times {\mathrm{1217}}^1$

素因数の和:1319

約数の個数: 64

約数和(自身を含む): 156537360

約数和(自身を除く): 91890320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 83, 128, 160, 166, 320, 332, 415, 640, 664, 830, 1217, 1328, 1660, 2434, 2656, 3320, 4868, 5312, 6085, 6640, 9736, 10624, 12170, 13280, 19472, 24340, 26560, 38944, 48680, 53120, 77888, 97360, 101011, 155776, 194720, 202022, 389440, 404044, 505055, 778880, 808088, 1010110, 1616176, 2020220, 3232352, 4040440, 6464704, 8080880, 12929408, 16161760, 32323520, 64647040]

約数ペア:

[(1, 64647040), (2, 32323520), (4, 16161760), (5, 12929408), (8, 8080880), (10, 6464704), (16, 4040440), (20, 3232352), (32, 2020220), (40, 1616176), (64, 1010110), (80, 808088), (83, 778880), (128, 505055), (160, 404044), (166, 389440), (320, 202022), (332, 194720), (415, 155776), (640, 101011), (664, 97360), (830, 77888), (1217, 53120), (1328, 48680), (1660, 38944), (2434, 26560), (2656, 24340), (3320, 19472), (4868, 13280), (5312, 12170), (6085, 10624), (6640, 9736)]