81090960

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{191}}^1$

素因数の和:297

約数の個数: 160

約数和(自身を含む): 265697280

約数和(自身を除く): 184606320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 61, 80, 87, 116, 120, 122, 145, 174, 183, 191, 232, 240, 244, 290, 305, 348, 366, 382, 435, 464, 488, 573, 580, 610, 696, 732, 764, 870, 915, 955, 976, 1146, 1160, 1220, 1392, 1464, 1528, 1740, 1769, 1830, 1910, 2292, 2320, 2440, 2865, 2928, 3056, 3480, 3538, 3660, 3820, 4584, 4880, 5307, 5539, 5730, 6960, 7076, 7320, 7640, 8845, 9168, 10614, 11078, 11460, 11651, 14152, 14640, 15280, 16617, 17690, 21228, 22156, 22920, 23302, 26535, 27695, 28304, 33234, 34953, 35380, 42456, 44312, 45840, 46604, 53070, 55390, 58255, 66468, 69906, 70760, 83085, 84912, 88624, 93208, 106140, 110780, 116510, 132936, 139812, 141520, 166170, 174765, 186416, 212280, 221560, 233020, 265872, 279624, 332340, 337879, 349530, 424560, 443120, 466040, 559248, 664680, 675758, 699060, 932080, 1013637, 1329360, 1351516, 1398120, 1689395, 2027274, 2703032, 2796240, 3378790, 4054548, 5068185, 5406064, 6757580, 8109096, 10136370, 13515160, 16218192, 20272740, 27030320, 40545480, 81090960]

約数ペア:

[(1, 81090960), (2, 40545480), (3, 27030320), (4, 20272740), (5, 16218192), (6, 13515160), (8, 10136370), (10, 8109096), (12, 6757580), (15, 5406064), (16, 5068185), (20, 4054548), (24, 3378790), (29, 2796240), (30, 2703032), (40, 2027274), (48, 1689395), (58, 1398120), (60, 1351516), (61, 1329360), (80, 1013637), (87, 932080), (116, 699060), (120, 675758), (122, 664680), (145, 559248), (174, 466040), (183, 443120), (191, 424560), (232, 349530), (240, 337879), (244, 332340), (290, 279624), (305, 265872), (348, 233020), (366, 221560), (382, 212280), (435, 186416), (464, 174765), (488, 166170), (573, 141520), (580, 139812), (610, 132936), (696, 116510), (732, 110780), (764, 106140), (870, 93208), (915, 88624), (955, 84912), (976, 83085), (1146, 70760), (1160, 69906), (1220, 66468), (1392, 58255), (1464, 55390), (1528, 53070), (1740, 46604), (1769, 45840), (1830, 44312), (1910, 42456), (2292, 35380), (2320, 34953), (2440, 33234), (2865, 28304), (2928, 27695), (3056, 26535), (3480, 23302), (3538, 22920), (3660, 22156), (3820, 21228), (4584, 17690), (4880, 16617), (5307, 15280), (5539, 14640), (5730, 14152), (6960, 11651), (7076, 11460), (7320, 11078), (7640, 10614), (8845, 9168)]