247141920

素因数分解:

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

素因数の和:1043

約数の個数: 192

約数和(自身を含む): 851751936

約数和(自身を除く): 604610016

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, 68, 80, 85, 93, 96, 102, 120, 124, 136, 155, 160, 170, 186, 204, 240, 248, 255, 272, 310, 340, 372, 408, 465, 480, 496, 510, 527, 544, 620, 680, 744, 816, 930, 977, 992, 1020, 1054, 1240, 1360, 1488, 1581, 1632, 1860, 1954, 2040, 2108, 2480, 2635, 2720, 2931, 2976, 3162, 3720, 3908, 4080, 4216, 4885, 4960, 5270, 5862, 6324, 7440, 7816, 7905, 8160, 8432, 9770, 10540, 11724, 12648, 14655, 14880, 15632, 15810, 16609, 16864, 19540, 21080, 23448, 25296, 29310, 30287, 31264, 31620, 33218, 39080, 42160, 46896, 49827, 50592, 58620, 60574, 63240, 66436, 78160, 83045, 84320, 90861, 93792, 99654, 117240, 121148, 126480, 132872, 151435, 156320, 166090, 181722, 199308, 234480, 242296, 249135, 252960, 265744, 302870, 332180, 363444, 398616, 454305, 468960, 484592, 498270, 514879, 531488, 605740, 664360, 726888, 797232, 908610, 969184, 996540, 1029758, 1211480, 1328720, 1453776, 1544637, 1594464, 1817220, 1993080, 2059516, 2422960, 2574395, 2657440, 2907552, 3089274, 3634440, 3986160, 4119032, 4845920, 5148790, 6178548, 7268880, 7723185, 7972320, 8238064, 10297580, 12357096, 14537760, 15446370, 16476128, 20595160, 24714192, 30892740, 41190320, 49428384, 61785480, 82380640, 123570960, 247141920]

約数ペア:

[(1, 247141920), (2, 123570960), (3, 82380640), (4, 61785480), (5, 49428384), (6, 41190320), (8, 30892740), (10, 24714192), (12, 20595160), (15, 16476128), (16, 15446370), (17, 14537760), (20, 12357096), (24, 10297580), (30, 8238064), (31, 7972320), (32, 7723185), (34, 7268880), (40, 6178548), (48, 5148790), (51, 4845920), (60, 4119032), (62, 3986160), (68, 3634440), (80, 3089274), (85, 2907552), (93, 2657440), (96, 2574395), (102, 2422960), (120, 2059516), (124, 1993080), (136, 1817220), (155, 1594464), (160, 1544637), (170, 1453776), (186, 1328720), (204, 1211480), (240, 1029758), (248, 996540), (255, 969184), (272, 908610), (310, 797232), (340, 726888), (372, 664360), (408, 605740), (465, 531488), (480, 514879), (496, 498270), (510, 484592), (527, 468960), (544, 454305), (620, 398616), (680, 363444), (744, 332180), (816, 302870), (930, 265744), (977, 252960), (992, 249135), (1020, 242296), (1054, 234480), (1240, 199308), (1360, 181722), (1488, 166090), (1581, 156320), (1632, 151435), (1860, 132872), (1954, 126480), (2040, 121148), (2108, 117240), (2480, 99654), (2635, 93792), (2720, 90861), (2931, 84320), (2976, 83045), (3162, 78160), (3720, 66436), (3908, 63240), (4080, 60574), (4216, 58620), (4885, 50592), (4960, 49827), (5270, 46896), (5862, 42160), (6324, 39080), (7440, 33218), (7816, 31620), (7905, 31264), (8160, 30287), (8432, 29310), (9770, 25296), (10540, 23448), (11724, 21080), (12648, 19540), (14655, 16864), (14880, 16609), (15632, 15810)]