16090620

素因数分解:

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

素因数の和:460

約数の個数: 144

約数和(自身を含む): 56575008

約数和(自身を除く): 40484388

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 49, 52, 60, 65, 70, 78, 84, 91, 98, 105, 130, 140, 147, 156, 182, 195, 196, 210, 245, 260, 273, 294, 364, 390, 420, 421, 455, 490, 546, 588, 637, 735, 780, 842, 910, 980, 1092, 1263, 1274, 1365, 1470, 1684, 1820, 1911, 2105, 2526, 2548, 2730, 2940, 2947, 3185, 3822, 4210, 5052, 5460, 5473, 5894, 6315, 6370, 7644, 8420, 8841, 9555, 10946, 11788, 12630, 12740, 14735, 16419, 17682, 19110, 20629, 21892, 25260, 27365, 29470, 32838, 35364, 38220, 38311, 41258, 44205, 54730, 58940, 61887, 65676, 76622, 82095, 82516, 88410, 103145, 109460, 114933, 123774, 153244, 164190, 176820, 191555, 206290, 229866, 247548, 268177, 309435, 328380, 383110, 412580, 459732, 536354, 574665, 618870, 766220, 804531, 1072708, 1149330, 1237740, 1340885, 1609062, 2298660, 2681770, 3218124, 4022655, 5363540, 8045310, 16090620]

約数ペア:

[(1, 16090620), (2, 8045310), (3, 5363540), (4, 4022655), (5, 3218124), (6, 2681770), (7, 2298660), (10, 1609062), (12, 1340885), (13, 1237740), (14, 1149330), (15, 1072708), (20, 804531), (21, 766220), (26, 618870), (28, 574665), (30, 536354), (35, 459732), (39, 412580), (42, 383110), (49, 328380), (52, 309435), (60, 268177), (65, 247548), (70, 229866), (78, 206290), (84, 191555), (91, 176820), (98, 164190), (105, 153244), (130, 123774), (140, 114933), (147, 109460), (156, 103145), (182, 88410), (195, 82516), (196, 82095), (210, 76622), (245, 65676), (260, 61887), (273, 58940), (294, 54730), (364, 44205), (390, 41258), (420, 38311), (421, 38220), (455, 35364), (490, 32838), (546, 29470), (588, 27365), (637, 25260), (735, 21892), (780, 20629), (842, 19110), (910, 17682), (980, 16419), (1092, 14735), (1263, 12740), (1274, 12630), (1365, 11788), (1470, 10946), (1684, 9555), (1820, 8841), (1911, 8420), (2105, 7644), (2526, 6370), (2548, 6315), (2730, 5894), (2940, 5473), (2947, 5460), (3185, 5052), (3822, 4210)]