905605680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{1019}}^1$

素因数の和:1088

約数の個数: 240

約数和(自身を含む): 3357285120

約数和(自身を除く): 2451679440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 48, 56, 60, 69, 70, 80, 84, 92, 105, 112, 115, 120, 138, 140, 161, 168, 184, 210, 230, 240, 276, 280, 322, 336, 345, 368, 420, 460, 483, 529, 552, 560, 644, 690, 805, 840, 920, 966, 1019, 1058, 1104, 1288, 1380, 1587, 1610, 1680, 1840, 1932, 2038, 2116, 2415, 2576, 2645, 2760, 3057, 3174, 3220, 3703, 3864, 4076, 4232, 4830, 5095, 5290, 5520, 6114, 6348, 6440, 7133, 7406, 7728, 7935, 8152, 8464, 9660, 10190, 10580, 11109, 12228, 12696, 12880, 14266, 14812, 15285, 15870, 16304, 18515, 19320, 20380, 21160, 21399, 22218, 23437, 24456, 25392, 28532, 29624, 30570, 31740, 35665, 37030, 38640, 40760, 42320, 42798, 44436, 46874, 48912, 55545, 57064, 59248, 61140, 63480, 70311, 71330, 74060, 81520, 85596, 88872, 93748, 106995, 111090, 114128, 117185, 122280, 126960, 140622, 142660, 148120, 164059, 171192, 177744, 187496, 213990, 222180, 234370, 244560, 281244, 285320, 296240, 328118, 342384, 351555, 374992, 427980, 444360, 468740, 492177, 539051, 562488, 570640, 656236, 703110, 820295, 855960, 888720, 937480, 984354, 1078102, 1124976, 1312472, 1406220, 1617153, 1640590, 1711920, 1874960, 1968708, 2156204, 2460885, 2624944, 2695255, 2812440, 3234306, 3281180, 3773357, 3937416, 4312408, 4921770, 5390510, 5624880, 6468612, 6562360, 7546714, 7874832, 8085765, 8624816, 9843540, 10781020, 11320071, 12937224, 13124720, 15093428, 16171530, 18866785, 19687080, 21562040, 22640142, 25874448, 30186856, 32343060, 37733570, 39374160, 43124080, 45280284, 56600355, 60373712, 64686120, 75467140, 90560568, 113200710, 129372240, 150934280, 181121136, 226401420, 301868560, 452802840, 905605680]

約数ペア:

[(1, 905605680), (2, 452802840), (3, 301868560), (4, 226401420), (5, 181121136), (6, 150934280), (7, 129372240), (8, 113200710), (10, 90560568), (12, 75467140), (14, 64686120), (15, 60373712), (16, 56600355), (20, 45280284), (21, 43124080), (23, 39374160), (24, 37733570), (28, 32343060), (30, 30186856), (35, 25874448), (40, 22640142), (42, 21562040), (46, 19687080), (48, 18866785), (56, 16171530), (60, 15093428), (69, 13124720), (70, 12937224), (80, 11320071), (84, 10781020), (92, 9843540), (105, 8624816), (112, 8085765), (115, 7874832), (120, 7546714), (138, 6562360), (140, 6468612), (161, 5624880), (168, 5390510), (184, 4921770), (210, 4312408), (230, 3937416), (240, 3773357), (276, 3281180), (280, 3234306), (322, 2812440), (336, 2695255), (345, 2624944), (368, 2460885), (420, 2156204), (460, 1968708), (483, 1874960), (529, 1711920), (552, 1640590), (560, 1617153), (644, 1406220), (690, 1312472), (805, 1124976), (840, 1078102), (920, 984354), (966, 937480), (1019, 888720), (1058, 855960), (1104, 820295), (1288, 703110), (1380, 656236), (1587, 570640), (1610, 562488), (1680, 539051), (1840, 492177), (1932, 468740), (2038, 444360), (2116, 427980), (2415, 374992), (2576, 351555), (2645, 342384), (2760, 328118), (3057, 296240), (3174, 285320), (3220, 281244), (3703, 244560), (3864, 234370), (4076, 222180), (4232, 213990), (4830, 187496), (5095, 177744), (5290, 171192), (5520, 164059), (6114, 148120), (6348, 142660), (6440, 140622), (7133, 126960), (7406, 122280), (7728, 117185), (7935, 114128), (8152, 111090), (8464, 106995), (9660, 93748), (10190, 88872), (10580, 85596), (11109, 81520), (12228, 74060), (12696, 71330), (12880, 70311), (14266, 63480), (14812, 61140), (15285, 59248), (15870, 57064), (16304, 55545), (18515, 48912), (19320, 46874), (20380, 44436), (21160, 42798), (21399, 42320), (22218, 40760), (23437, 38640), (24456, 37030), (25392, 35665), (28532, 31740), (29624, 30570)]