320420464

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{229}}^1$

素因数の和:319

約数の個数: 120

約数和(自身を含む): 792970080

約数和(自身を除く): 472549616

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 229, 248, 364, 403, 434, 458, 496, 728, 806, 868, 916, 961, 1456, 1603, 1612, 1736, 1832, 1922, 2821, 2977, 3206, 3224, 3472, 3664, 3844, 5642, 5954, 6412, 6448, 6727, 7099, 7688, 11284, 11908, 12493, 12824, 13454, 14198, 15376, 20839, 22568, 23816, 24986, 25648, 26908, 28396, 41678, 45136, 47632, 49693, 49972, 53816, 56792, 83356, 87451, 92287, 99386, 99944, 107632, 113584, 166712, 174902, 184574, 198772, 199888, 220069, 333424, 349804, 369148, 397544, 440138, 646009, 699608, 738296, 795088, 880276, 1292018, 1399216, 1476592, 1540483, 1760552, 2584036, 2860897, 3080966, 3521104, 5168072, 5721794, 6161932, 10336144, 11443588, 12323864, 20026279, 22887176, 24647728, 40052558, 45774352, 80105116, 160210232, 320420464]

約数ペア:

[(1, 320420464), (2, 160210232), (4, 80105116), (7, 45774352), (8, 40052558), (13, 24647728), (14, 22887176), (16, 20026279), (26, 12323864), (28, 11443588), (31, 10336144), (52, 6161932), (56, 5721794), (62, 5168072), (91, 3521104), (104, 3080966), (112, 2860897), (124, 2584036), (182, 1760552), (208, 1540483), (217, 1476592), (229, 1399216), (248, 1292018), (364, 880276), (403, 795088), (434, 738296), (458, 699608), (496, 646009), (728, 440138), (806, 397544), (868, 369148), (916, 349804), (961, 333424), (1456, 220069), (1603, 199888), (1612, 198772), (1736, 184574), (1832, 174902), (1922, 166712), (2821, 113584), (2977, 107632), (3206, 99944), (3224, 99386), (3472, 92287), (3664, 87451), (3844, 83356), (5642, 56792), (5954, 53816), (6412, 49972), (6448, 49693), (6727, 47632), (7099, 45136), (7688, 41678), (11284, 28396), (11908, 26908), (12493, 25648), (12824, 24986), (13454, 23816), (14198, 22568), (15376, 20839)]