261188640

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5851}}^1$

素因数の和:5903

約数の個数: 144

約数和(自身を含む): 920215296

約数和(自身を除く): 659026656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4960, 5580, 5851, 7440, 8928, 11160, 11702, 14880, 17553, 22320, 23404, 29255, 35106, 44640, 46808, 52659, 58510, 70212, 87765, 93616, 105318, 117020, 140424, 175530, 181381, 187232, 210636, 234040, 263295, 280848, 351060, 362762, 421272, 468080, 526590, 544143, 561696, 702120, 725524, 842544, 906905, 936160, 1053180, 1088286, 1404240, 1451048, 1632429, 1685088, 1813810, 2106360, 2176572, 2720715, 2808480, 2902096, 3264858, 3627620, 4212720, 4353144, 5441430, 5804192, 6529716, 7255240, 8162145, 8425440, 8706288, 10882860, 13059432, 14510480, 16324290, 17412576, 21765720, 26118864, 29020960, 32648580, 43531440, 52237728, 65297160, 87062880, 130594320, 261188640]

約数ペア:

[(1, 261188640), (2, 130594320), (3, 87062880), (4, 65297160), (5, 52237728), (6, 43531440), (8, 32648580), (9, 29020960), (10, 26118864), (12, 21765720), (15, 17412576), (16, 16324290), (18, 14510480), (20, 13059432), (24, 10882860), (30, 8706288), (31, 8425440), (32, 8162145), (36, 7255240), (40, 6529716), (45, 5804192), (48, 5441430), (60, 4353144), (62, 4212720), (72, 3627620), (80, 3264858), (90, 2902096), (93, 2808480), (96, 2720715), (120, 2176572), (124, 2106360), (144, 1813810), (155, 1685088), (160, 1632429), (180, 1451048), (186, 1404240), (240, 1088286), (248, 1053180), (279, 936160), (288, 906905), (310, 842544), (360, 725524), (372, 702120), (465, 561696), (480, 544143), (496, 526590), (558, 468080), (620, 421272), (720, 362762), (744, 351060), (930, 280848), (992, 263295), (1116, 234040), (1240, 210636), (1395, 187232), (1440, 181381), (1488, 175530), (1860, 140424), (2232, 117020), (2480, 105318), (2790, 93616), (2976, 87765), (3720, 70212), (4464, 58510), (4960, 52659), (5580, 46808), (5851, 44640), (7440, 35106), (8928, 29255), (11160, 23404), (11702, 22320), (14880, 17553)]