221236920

素因数分解:

$2^3\times 3^9\times 5^1\times {\mathrm{281}}^1$

素因数の和:319

約数の個数: 160

約数和(自身を含む): 749319120

約数和(自身を除く): 528082200

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 281, 324, 360, 405, 486, 540, 562, 648, 729, 810, 843, 972, 1080, 1124, 1215, 1405, 1458, 1620, 1686, 1944, 2187, 2248, 2430, 2529, 2810, 2916, 3240, 3372, 3645, 4215, 4374, 4860, 5058, 5620, 5832, 6561, 6744, 7290, 7587, 8430, 8748, 9720, 10116, 10935, 11240, 12645, 13122, 14580, 15174, 16860, 17496, 19683, 20232, 21870, 22761, 25290, 26244, 29160, 30348, 32805, 33720, 37935, 39366, 43740, 45522, 50580, 52488, 60696, 65610, 68283, 75870, 78732, 87480, 91044, 98415, 101160, 113805, 131220, 136566, 151740, 157464, 182088, 196830, 204849, 227610, 262440, 273132, 303480, 341415, 393660, 409698, 455220, 546264, 614547, 682830, 787320, 819396, 910440, 1024245, 1229094, 1365660, 1638792, 1843641, 2048490, 2458188, 2731320, 3072735, 3687282, 4096980, 4916376, 5530923, 6145470, 7374564, 8193960, 9218205, 11061846, 12290940, 14749128, 18436410, 22123692, 24581880, 27654615, 36872820, 44247384, 55309230, 73745640, 110618460, 221236920]

約数ペア:

[(1, 221236920), (2, 110618460), (3, 73745640), (4, 55309230), (5, 44247384), (6, 36872820), (8, 27654615), (9, 24581880), (10, 22123692), (12, 18436410), (15, 14749128), (18, 12290940), (20, 11061846), (24, 9218205), (27, 8193960), (30, 7374564), (36, 6145470), (40, 5530923), (45, 4916376), (54, 4096980), (60, 3687282), (72, 3072735), (81, 2731320), (90, 2458188), (108, 2048490), (120, 1843641), (135, 1638792), (162, 1365660), (180, 1229094), (216, 1024245), (243, 910440), (270, 819396), (281, 787320), (324, 682830), (360, 614547), (405, 546264), (486, 455220), (540, 409698), (562, 393660), (648, 341415), (729, 303480), (810, 273132), (843, 262440), (972, 227610), (1080, 204849), (1124, 196830), (1215, 182088), (1405, 157464), (1458, 151740), (1620, 136566), (1686, 131220), (1944, 113805), (2187, 101160), (2248, 98415), (2430, 91044), (2529, 87480), (2810, 78732), (2916, 75870), (3240, 68283), (3372, 65610), (3645, 60696), (4215, 52488), (4374, 50580), (4860, 45522), (5058, 43740), (5620, 39366), (5832, 37935), (6561, 33720), (6744, 32805), (7290, 30348), (7587, 29160), (8430, 26244), (8748, 25290), (9720, 22761), (10116, 21870), (10935, 20232), (11240, 19683), (12645, 17496), (13122, 16860), (14580, 15174)]