31031910

素因数分解:

$2^1\times 3^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1$

素因数の和:460

約数の個数: 160

約数和(自身を含む): 102940992

約数和(自身を除く): 71909082

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 90, 91, 105, 117, 126, 130, 135, 162, 182, 189, 195, 210, 234, 270, 273, 315, 351, 378, 390, 405, 421, 455, 546, 567, 585, 630, 702, 810, 819, 842, 910, 945, 1053, 1134, 1170, 1263, 1365, 1638, 1755, 1890, 2105, 2106, 2457, 2526, 2730, 2835, 2947, 3510, 3789, 4095, 4210, 4914, 5265, 5473, 5670, 5894, 6315, 7371, 7578, 8190, 8841, 10530, 10946, 11367, 12285, 12630, 14735, 14742, 16419, 17682, 18945, 22734, 24570, 26523, 27365, 29470, 32838, 34101, 36855, 37890, 38311, 44205, 49257, 53046, 54730, 56835, 68202, 73710, 76622, 79569, 82095, 88410, 98514, 113670, 114933, 132615, 147771, 159138, 164190, 170505, 191555, 229866, 238707, 246285, 265230, 295542, 341010, 344799, 383110, 397845, 443313, 477414, 492570, 574665, 689598, 738855, 795690, 886626, 1034397, 1149330, 1193535, 1477710, 1723995, 2068794, 2216565, 2387070, 3103191, 3447990, 4433130, 5171985, 6206382, 10343970, 15515955, 31031910]

約数ペア:

[(1, 31031910), (2, 15515955), (3, 10343970), (5, 6206382), (6, 5171985), (7, 4433130), (9, 3447990), (10, 3103191), (13, 2387070), (14, 2216565), (15, 2068794), (18, 1723995), (21, 1477710), (26, 1193535), (27, 1149330), (30, 1034397), (35, 886626), (39, 795690), (42, 738855), (45, 689598), (54, 574665), (63, 492570), (65, 477414), (70, 443313), (78, 397845), (81, 383110), (90, 344799), (91, 341010), (105, 295542), (117, 265230), (126, 246285), (130, 238707), (135, 229866), (162, 191555), (182, 170505), (189, 164190), (195, 159138), (210, 147771), (234, 132615), (270, 114933), (273, 113670), (315, 98514), (351, 88410), (378, 82095), (390, 79569), (405, 76622), (421, 73710), (455, 68202), (546, 56835), (567, 54730), (585, 53046), (630, 49257), (702, 44205), (810, 38311), (819, 37890), (842, 36855), (910, 34101), (945, 32838), (1053, 29470), (1134, 27365), (1170, 26523), (1263, 24570), (1365, 22734), (1638, 18945), (1755, 17682), (1890, 16419), (2105, 14742), (2106, 14735), (2457, 12630), (2526, 12285), (2730, 11367), (2835, 10946), (2947, 10530), (3510, 8841), (3789, 8190), (4095, 7578), (4210, 7371), (4914, 6315), (5265, 5894), (5473, 5670)]