1947821760

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{21817}}^1$

素因数の和:21871

約数の個数: 168

約数和(自身を含む): 6916131456

約数和(自身を除く): 4968309696

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 64, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 192, 240, 248, 279, 288, 310, 320, 360, 372, 465, 480, 496, 558, 576, 620, 720, 744, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1860, 1984, 2232, 2480, 2790, 2880, 2976, 3720, 4464, 4960, 5580, 5952, 7440, 8928, 9920, 11160, 14880, 17856, 21817, 22320, 29760, 43634, 44640, 65451, 87268, 89280, 109085, 130902, 174536, 196353, 218170, 261804, 327255, 349072, 392706, 436340, 523608, 654510, 676327, 698144, 785412, 872680, 981765, 1047216, 1309020, 1352654, 1396288, 1570824, 1745360, 1963530, 2028981, 2094432, 2618040, 2705308, 3141648, 3381635, 3490720, 3927060, 4057962, 4188864, 5236080, 5410616, 6086943, 6283296, 6763270, 6981440, 7854120, 8115924, 10144905, 10472160, 10821232, 12173886, 12566592, 13526540, 15708240, 16231848, 20289810, 20944320, 21642464, 24347772, 27053080, 30434715, 31416480, 32463696, 40579620, 43284928, 48695544, 54106160, 60869430, 62832960, 64927392, 81159240, 97391088, 108212320, 121738860, 129854784, 162318480, 194782176, 216424640, 243477720, 324636960, 389564352, 486955440, 649273920, 973910880, 1947821760]

約数ペア:

[(1, 1947821760), (2, 973910880), (3, 649273920), (4, 486955440), (5, 389564352), (6, 324636960), (8, 243477720), (9, 216424640), (10, 194782176), (12, 162318480), (15, 129854784), (16, 121738860), (18, 108212320), (20, 97391088), (24, 81159240), (30, 64927392), (31, 62832960), (32, 60869430), (36, 54106160), (40, 48695544), (45, 43284928), (48, 40579620), (60, 32463696), (62, 31416480), (64, 30434715), (72, 27053080), (80, 24347772), (90, 21642464), (93, 20944320), (96, 20289810), (120, 16231848), (124, 15708240), (144, 13526540), (155, 12566592), (160, 12173886), (180, 10821232), (186, 10472160), (192, 10144905), (240, 8115924), (248, 7854120), (279, 6981440), (288, 6763270), (310, 6283296), (320, 6086943), (360, 5410616), (372, 5236080), (465, 4188864), (480, 4057962), (496, 3927060), (558, 3490720), (576, 3381635), (620, 3141648), (720, 2705308), (744, 2618040), (930, 2094432), (960, 2028981), (992, 1963530), (1116, 1745360), (1240, 1570824), (1395, 1396288), (1440, 1352654), (1488, 1309020), (1860, 1047216), (1984, 981765), (2232, 872680), (2480, 785412), (2790, 698144), (2880, 676327), (2976, 654510), (3720, 523608), (4464, 436340), (4960, 392706), (5580, 349072), (5952, 327255), (7440, 261804), (8928, 218170), (9920, 196353), (11160, 174536), (14880, 130902), (17856, 109085), (21817, 89280), (22320, 87268), (29760, 65451), (43634, 44640)]