91189980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^4\times {\mathrm{211}}^1$

素因数の和:254

約数の個数: 180

約数和(自身を含む): 324221352

約数和(自身を除く): 233031372

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 49, 60, 63, 70, 84, 90, 98, 105, 126, 140, 147, 180, 196, 210, 211, 245, 252, 294, 315, 343, 420, 422, 441, 490, 588, 630, 633, 686, 735, 844, 882, 980, 1029, 1055, 1260, 1266, 1372, 1470, 1477, 1715, 1764, 1899, 2058, 2110, 2205, 2401, 2532, 2940, 2954, 3087, 3165, 3430, 3798, 4116, 4220, 4410, 4431, 4802, 5145, 5908, 6174, 6330, 6860, 7203, 7385, 7596, 8820, 8862, 9495, 9604, 10290, 10339, 12005, 12348, 12660, 13293, 14406, 14770, 15435, 17724, 18990, 20580, 20678, 21609, 22155, 24010, 26586, 28812, 29540, 30870, 31017, 36015, 37980, 41356, 43218, 44310, 48020, 51695, 53172, 61740, 62034, 66465, 72030, 72373, 86436, 88620, 93051, 103390, 108045, 124068, 132930, 144060, 144746, 155085, 186102, 206780, 216090, 217119, 265860, 289492, 310170, 361865, 372204, 432180, 434238, 465255, 506611, 620340, 651357, 723730, 868476, 930510, 1013222, 1085595, 1302714, 1447460, 1519833, 1861020, 2026444, 2171190, 2533055, 2605428, 3039666, 3256785, 4342380, 4559499, 5066110, 6079332, 6513570, 7599165, 9118998, 10132220, 13027140, 15198330, 18237996, 22797495, 30396660, 45594990, 91189980]

約数ペア:

[(1, 91189980), (2, 45594990), (3, 30396660), (4, 22797495), (5, 18237996), (6, 15198330), (7, 13027140), (9, 10132220), (10, 9118998), (12, 7599165), (14, 6513570), (15, 6079332), (18, 5066110), (20, 4559499), (21, 4342380), (28, 3256785), (30, 3039666), (35, 2605428), (36, 2533055), (42, 2171190), (45, 2026444), (49, 1861020), (60, 1519833), (63, 1447460), (70, 1302714), (84, 1085595), (90, 1013222), (98, 930510), (105, 868476), (126, 723730), (140, 651357), (147, 620340), (180, 506611), (196, 465255), (210, 434238), (211, 432180), (245, 372204), (252, 361865), (294, 310170), (315, 289492), (343, 265860), (420, 217119), (422, 216090), (441, 206780), (490, 186102), (588, 155085), (630, 144746), (633, 144060), (686, 132930), (735, 124068), (844, 108045), (882, 103390), (980, 93051), (1029, 88620), (1055, 86436), (1260, 72373), (1266, 72030), (1372, 66465), (1470, 62034), (1477, 61740), (1715, 53172), (1764, 51695), (1899, 48020), (2058, 44310), (2110, 43218), (2205, 41356), (2401, 37980), (2532, 36015), (2940, 31017), (2954, 30870), (3087, 29540), (3165, 28812), (3430, 26586), (3798, 24010), (4116, 22155), (4220, 21609), (4410, 20678), (4431, 20580), (4802, 18990), (5145, 17724), (5908, 15435), (6174, 14770), (6330, 14406), (6860, 13293), (7203, 12660), (7385, 12348), (7596, 12005), (8820, 10339), (8862, 10290), (9495, 9604)]