28826280

素因数分解:

$2^3\times 3^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:102

約数の個数: 320

約数和(自身を含む): 117089280

約数和(自身を除く): 88263000

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 31, 35, 36, 40, 41, 42, 45, 54, 56, 60, 62, 63, 70, 72, 81, 82, 84, 90, 93, 105, 108, 120, 123, 124, 126, 135, 140, 155, 162, 164, 168, 180, 186, 189, 205, 210, 216, 217, 246, 248, 252, 270, 279, 280, 287, 310, 315, 324, 328, 360, 369, 372, 378, 405, 410, 420, 434, 465, 492, 504, 540, 558, 567, 574, 615, 620, 630, 648, 651, 738, 744, 756, 810, 820, 837, 840, 861, 868, 930, 945, 984, 1080, 1085, 1107, 1116, 1134, 1148, 1230, 1240, 1260, 1271, 1302, 1395, 1435, 1476, 1512, 1620, 1640, 1674, 1722, 1736, 1845, 1860, 1890, 1953, 2170, 2214, 2232, 2268, 2296, 2460, 2511, 2520, 2542, 2583, 2604, 2790, 2835, 2870, 2952, 3240, 3255, 3321, 3348, 3444, 3690, 3720, 3780, 3813, 3906, 4185, 4305, 4340, 4428, 4536, 4920, 5022, 5084, 5166, 5208, 5535, 5580, 5670, 5740, 5859, 6355, 6510, 6642, 6696, 6888, 7380, 7560, 7626, 7749, 7812, 8370, 8610, 8680, 8856, 8897, 9765, 10044, 10168, 10332, 11070, 11160, 11340, 11439, 11480, 11718, 12555, 12710, 12915, 13020, 13284, 14760, 15252, 15498, 15624, 16605, 16740, 17220, 17577, 17794, 19065, 19530, 20088, 20664, 22140, 22680, 22878, 23247, 23436, 25110, 25420, 25830, 26040, 26568, 26691, 29295, 30504, 30996, 33210, 33480, 34317, 34440, 35154, 35588, 38130, 38745, 39060, 44280, 44485, 45756, 46494, 46872, 50220, 50840, 51660, 53382, 57195, 58590, 61992, 66420, 68634, 70308, 71176, 76260, 77490, 78120, 80073, 87885, 88970, 91512, 92988, 100440, 102951, 103320, 106764, 114390, 116235, 117180, 132840, 133455, 137268, 140616, 152520, 154980, 160146, 171585, 175770, 177940, 185976, 205902, 213528, 228780, 232470, 234360, 240219, 266910, 274536, 309960, 320292, 343170, 351540, 355880, 400365, 411804, 457560, 464940, 480438, 514755, 533820, 640584, 686340, 703080, 720657, 800730, 823608, 929880, 960876, 1029510, 1067640, 1201095, 1372680, 1441314, 1601460, 1921752, 2059020, 2402190, 2882628, 3202920, 3603285, 4118040, 4804380, 5765256, 7206570, 9608760, 14413140, 28826280]

約数ペア:

[(1, 28826280), (2, 14413140), (3, 9608760), (4, 7206570), (5, 5765256), (6, 4804380), (7, 4118040), (8, 3603285), (9, 3202920), (10, 2882628), (12, 2402190), (14, 2059020), (15, 1921752), (18, 1601460), (20, 1441314), (21, 1372680), (24, 1201095), (27, 1067640), (28, 1029510), (30, 960876), (31, 929880), (35, 823608), (36, 800730), (40, 720657), (41, 703080), (42, 686340), (45, 640584), (54, 533820), (56, 514755), (60, 480438), (62, 464940), (63, 457560), (70, 411804), (72, 400365), (81, 355880), (82, 351540), (84, 343170), (90, 320292), (93, 309960), (105, 274536), (108, 266910), (120, 240219), (123, 234360), (124, 232470), (126, 228780), (135, 213528), (140, 205902), (155, 185976), (162, 177940), (164, 175770), (168, 171585), (180, 160146), (186, 154980), (189, 152520), (205, 140616), (210, 137268), (216, 133455), (217, 132840), (246, 117180), (248, 116235), (252, 114390), (270, 106764), (279, 103320), (280, 102951), (287, 100440), (310, 92988), (315, 91512), (324, 88970), (328, 87885), (360, 80073), (369, 78120), (372, 77490), (378, 76260), (405, 71176), (410, 70308), (420, 68634), (434, 66420), (465, 61992), (492, 58590), (504, 57195), (540, 53382), (558, 51660), (567, 50840), (574, 50220), (615, 46872), (620, 46494), (630, 45756), (648, 44485), (651, 44280), (738, 39060), (744, 38745), (756, 38130), (810, 35588), (820, 35154), (837, 34440), (840, 34317), (861, 33480), (868, 33210), (930, 30996), (945, 30504), (984, 29295), (1080, 26691), (1085, 26568), (1107, 26040), (1116, 25830), (1134, 25420), (1148, 25110), (1230, 23436), (1240, 23247), (1260, 22878), (1271, 22680), (1302, 22140), (1395, 20664), (1435, 20088), (1476, 19530), (1512, 19065), (1620, 17794), (1640, 17577), (1674, 17220), (1722, 16740), (1736, 16605), (1845, 15624), (1860, 15498), (1890, 15252), (1953, 14760), (2170, 13284), (2214, 13020), (2232, 12915), (2268, 12710), (2296, 12555), (2460, 11718), (2511, 11480), (2520, 11439), (2542, 11340), (2583, 11160), (2604, 11070), (2790, 10332), (2835, 10168), (2870, 10044), (2952, 9765), (3240, 8897), (3255, 8856), (3321, 8680), (3348, 8610), (3444, 8370), (3690, 7812), (3720, 7749), (3780, 7626), (3813, 7560), (3906, 7380), (4185, 6888), (4305, 6696), (4340, 6642), (4428, 6510), (4536, 6355), (4920, 5859), (5022, 5740), (5084, 5670), (5166, 5580), (5208, 5535)]