18876782880

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{422867}}^1$

素因数の和:422919

約数の個数: 144

約数和(自身を含む): 66495147264

約数和(自身を除く): 47618364384

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, 7440, 8928, 11160, 14880, 22320, 44640, 422867, 845734, 1268601, 1691468, 2114335, 2537202, 3382936, 3805803, 4228670, 5074404, 6343005, 6765872, 7611606, 8457340, 10148808, 12686010, 13108877, 13531744, 15223212, 16914680, 19029015, 20297616, 25372020, 26217754, 30446424, 33829360, 38058030, 39326631, 40595232, 50744040, 52435508, 60892848, 65544385, 67658720, 76116060, 78653262, 101488080, 104871016, 117979893, 121785696, 131088770, 152232120, 157306524, 196633155, 202976160, 209742032, 235959786, 262177540, 304464240, 314613048, 393266310, 419484064, 471919572, 524355080, 589899465, 608928480, 629226096, 786532620, 943839144, 1048710160, 1179798930, 1258452192, 1573065240, 1887678288, 2097420320, 2359597860, 3146130480, 3775356576, 4719195720, 6292260960, 9438391440, 18876782880]

約数ペア:

[(1, 18876782880), (2, 9438391440), (3, 6292260960), (4, 4719195720), (5, 3775356576), (6, 3146130480), (8, 2359597860), (9, 2097420320), (10, 1887678288), (12, 1573065240), (15, 1258452192), (16, 1179798930), (18, 1048710160), (20, 943839144), (24, 786532620), (30, 629226096), (31, 608928480), (32, 589899465), (36, 524355080), (40, 471919572), (45, 419484064), (48, 393266310), (60, 314613048), (62, 304464240), (72, 262177540), (80, 235959786), (90, 209742032), (93, 202976160), (96, 196633155), (120, 157306524), (124, 152232120), (144, 131088770), (155, 121785696), (160, 117979893), (180, 104871016), (186, 101488080), (240, 78653262), (248, 76116060), (279, 67658720), (288, 65544385), (310, 60892848), (360, 52435508), (372, 50744040), (465, 40595232), (480, 39326631), (496, 38058030), (558, 33829360), (620, 30446424), (720, 26217754), (744, 25372020), (930, 20297616), (992, 19029015), (1116, 16914680), (1240, 15223212), (1395, 13531744), (1440, 13108877), (1488, 12686010), (1860, 10148808), (2232, 8457340), (2480, 7611606), (2790, 6765872), (2976, 6343005), (3720, 5074404), (4464, 4228670), (4960, 3805803), (5580, 3382936), (7440, 2537202), (8928, 2114335), (11160, 1691468), (14880, 1268601), (22320, 845734), (44640, 422867)]