16856560

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{971}}^1$

素因数の和:1022

約数の個数: 80

約数和(自身を含む): 46282752

約数和(自身を除く): 29426192

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 971, 1085, 1240, 1736, 1942, 2170, 2480, 3472, 3884, 4340, 4855, 6797, 7768, 8680, 9710, 13594, 15536, 17360, 19420, 27188, 30101, 33985, 38840, 54376, 60202, 67970, 77680, 108752, 120404, 135940, 150505, 210707, 240808, 271880, 301010, 421414, 481616, 543760, 602020, 842828, 1053535, 1204040, 1685656, 2107070, 2408080, 3371312, 4214140, 8428280, 16856560]

約数ペア:

[(1, 16856560), (2, 8428280), (4, 4214140), (5, 3371312), (7, 2408080), (8, 2107070), (10, 1685656), (14, 1204040), (16, 1053535), (20, 842828), (28, 602020), (31, 543760), (35, 481616), (40, 421414), (56, 301010), (62, 271880), (70, 240808), (80, 210707), (112, 150505), (124, 135940), (140, 120404), (155, 108752), (217, 77680), (248, 67970), (280, 60202), (310, 54376), (434, 38840), (496, 33985), (560, 30101), (620, 27188), (868, 19420), (971, 17360), (1085, 15536), (1240, 13594), (1736, 9710), (1942, 8680), (2170, 7768), (2480, 6797), (3472, 4855), (3884, 4340)]