728014720

素因数分解:

$2^7\times 5^1\times {\mathrm{223}}^1\times {\mathrm{5101}}^1$

素因数の和:5343

約数の個数: 64

約数和(自身を含む): 1748557440

約数和(自身を除く): 1020542720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 223, 320, 446, 640, 892, 1115, 1784, 2230, 3568, 4460, 5101, 7136, 8920, 10202, 14272, 17840, 20404, 25505, 28544, 35680, 40808, 51010, 71360, 81616, 102020, 142720, 163232, 204040, 326464, 408080, 652928, 816160, 1137523, 1632320, 2275046, 3264640, 4550092, 5687615, 9100184, 11375230, 18200368, 22750460, 36400736, 45500920, 72801472, 91001840, 145602944, 182003680, 364007360, 728014720]

約数ペア:

[(1, 728014720), (2, 364007360), (4, 182003680), (5, 145602944), (8, 91001840), (10, 72801472), (16, 45500920), (20, 36400736), (32, 22750460), (40, 18200368), (64, 11375230), (80, 9100184), (128, 5687615), (160, 4550092), (223, 3264640), (320, 2275046), (446, 1632320), (640, 1137523), (892, 816160), (1115, 652928), (1784, 408080), (2230, 326464), (3568, 204040), (4460, 163232), (5101, 142720), (7136, 102020), (8920, 81616), (10202, 71360), (14272, 51010), (17840, 40808), (20404, 35680), (25505, 28544)]