988567680

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{977}}^1$

素因数の和:1047

約数の個数: 256

約数和(自身を含む): 3447567360

約数和(自身を除く): 2458999680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 31, 32, 34, 40, 48, 51, 60, 62, 64, 68, 80, 85, 93, 96, 102, 120, 124, 128, 136, 155, 160, 170, 186, 192, 204, 240, 248, 255, 272, 310, 320, 340, 372, 384, 408, 465, 480, 496, 510, 527, 544, 620, 640, 680, 744, 816, 930, 960, 977, 992, 1020, 1054, 1088, 1240, 1360, 1488, 1581, 1632, 1860, 1920, 1954, 1984, 2040, 2108, 2176, 2480, 2635, 2720, 2931, 2976, 3162, 3264, 3720, 3908, 3968, 4080, 4216, 4885, 4960, 5270, 5440, 5862, 5952, 6324, 6528, 7440, 7816, 7905, 8160, 8432, 9770, 9920, 10540, 10880, 11724, 11904, 12648, 14655, 14880, 15632, 15810, 16320, 16609, 16864, 19540, 19840, 21080, 23448, 25296, 29310, 29760, 30287, 31264, 31620, 32640, 33218, 33728, 39080, 42160, 46896, 49827, 50592, 58620, 59520, 60574, 62528, 63240, 66436, 67456, 78160, 83045, 84320, 90861, 93792, 99654, 101184, 117240, 121148, 125056, 126480, 132872, 151435, 156320, 166090, 168640, 181722, 187584, 199308, 202368, 234480, 242296, 249135, 252960, 265744, 302870, 312640, 332180, 337280, 363444, 375168, 398616, 454305, 468960, 484592, 498270, 505920, 514879, 531488, 605740, 625280, 664360, 726888, 797232, 908610, 937920, 969184, 996540, 1011840, 1029758, 1062976, 1211480, 1328720, 1453776, 1544637, 1594464, 1817220, 1875840, 1938368, 1993080, 2059516, 2125952, 2422960, 2574395, 2657440, 2907552, 3089274, 3188928, 3634440, 3876736, 3986160, 4119032, 4845920, 5148790, 5314880, 5815104, 6178548, 6377856, 7268880, 7723185, 7972320, 8238064, 9691840, 10297580, 10629760, 11630208, 12357096, 14537760, 15446370, 15944640, 16476128, 19383680, 20595160, 24714192, 29075520, 30892740, 31889280, 32952256, 41190320, 49428384, 58151040, 61785480, 65904512, 82380640, 98856768, 123570960, 164761280, 197713536, 247141920, 329522560, 494283840, 988567680]

約数ペア:

[(1, 988567680), (2, 494283840), (3, 329522560), (4, 247141920), (5, 197713536), (6, 164761280), (8, 123570960), (10, 98856768), (12, 82380640), (15, 65904512), (16, 61785480), (17, 58151040), (20, 49428384), (24, 41190320), (30, 32952256), (31, 31889280), (32, 30892740), (34, 29075520), (40, 24714192), (48, 20595160), (51, 19383680), (60, 16476128), (62, 15944640), (64, 15446370), (68, 14537760), (80, 12357096), (85, 11630208), (93, 10629760), (96, 10297580), (102, 9691840), (120, 8238064), (124, 7972320), (128, 7723185), (136, 7268880), (155, 6377856), (160, 6178548), (170, 5815104), (186, 5314880), (192, 5148790), (204, 4845920), (240, 4119032), (248, 3986160), (255, 3876736), (272, 3634440), (310, 3188928), (320, 3089274), (340, 2907552), (372, 2657440), (384, 2574395), (408, 2422960), (465, 2125952), (480, 2059516), (496, 1993080), (510, 1938368), (527, 1875840), (544, 1817220), (620, 1594464), (640, 1544637), (680, 1453776), (744, 1328720), (816, 1211480), (930, 1062976), (960, 1029758), (977, 1011840), (992, 996540), (1020, 969184), (1054, 937920), (1088, 908610), (1240, 797232), (1360, 726888), (1488, 664360), (1581, 625280), (1632, 605740), (1860, 531488), (1920, 514879), (1954, 505920), (1984, 498270), (2040, 484592), (2108, 468960), (2176, 454305), (2480, 398616), (2635, 375168), (2720, 363444), (2931, 337280), (2976, 332180), (3162, 312640), (3264, 302870), (3720, 265744), (3908, 252960), (3968, 249135), (4080, 242296), (4216, 234480), (4885, 202368), (4960, 199308), (5270, 187584), (5440, 181722), (5862, 168640), (5952, 166090), (6324, 156320), (6528, 151435), (7440, 132872), (7816, 126480), (7905, 125056), (8160, 121148), (8432, 117240), (9770, 101184), (9920, 99654), (10540, 93792), (10880, 90861), (11724, 84320), (11904, 83045), (12648, 78160), (14655, 67456), (14880, 66436), (15632, 63240), (15810, 62528), (16320, 60574), (16609, 59520), (16864, 58620), (19540, 50592), (19840, 49827), (21080, 46896), (23448, 42160), (25296, 39080), (29310, 33728), (29760, 33218), (30287, 32640), (31264, 31620)]