90854640

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{491}}^1$

素因数の和:767

約数の個数: 120

約数和(自身を含む): 306931248

約数和(自身を除く): 216076608

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 180, 240, 257, 360, 491, 514, 720, 771, 982, 1028, 1285, 1473, 1542, 1964, 2056, 2313, 2455, 2570, 2946, 3084, 3855, 3928, 4112, 4419, 4626, 4910, 5140, 5892, 6168, 7365, 7710, 7856, 8838, 9252, 9820, 10280, 11565, 11784, 12336, 14730, 15420, 17676, 18504, 19640, 20560, 22095, 23130, 23568, 29460, 30840, 35352, 37008, 39280, 44190, 46260, 58920, 61680, 70704, 88380, 92520, 117840, 126187, 176760, 185040, 252374, 353520, 378561, 504748, 630935, 757122, 1009496, 1135683, 1261870, 1514244, 1892805, 2018992, 2271366, 2523740, 3028488, 3785610, 4542732, 5047480, 5678415, 6056976, 7571220, 9085464, 10094960, 11356830, 15142440, 18170928, 22713660, 30284880, 45427320, 90854640]

約数ペア:

[(1, 90854640), (2, 45427320), (3, 30284880), (4, 22713660), (5, 18170928), (6, 15142440), (8, 11356830), (9, 10094960), (10, 9085464), (12, 7571220), (15, 6056976), (16, 5678415), (18, 5047480), (20, 4542732), (24, 3785610), (30, 3028488), (36, 2523740), (40, 2271366), (45, 2018992), (48, 1892805), (60, 1514244), (72, 1261870), (80, 1135683), (90, 1009496), (120, 757122), (144, 630935), (180, 504748), (240, 378561), (257, 353520), (360, 252374), (491, 185040), (514, 176760), (720, 126187), (771, 117840), (982, 92520), (1028, 88380), (1285, 70704), (1473, 61680), (1542, 58920), (1964, 46260), (2056, 44190), (2313, 39280), (2455, 37008), (2570, 35352), (2946, 30840), (3084, 29460), (3855, 23568), (3928, 23130), (4112, 22095), (4419, 20560), (4626, 19640), (4910, 18504), (5140, 17676), (5892, 15420), (6168, 14730), (7365, 12336), (7710, 11784), (7856, 11565), (8838, 10280), (9252, 9820)]