78298560

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{877}}^1$

素因数の和:931

約数の個数: 168

約数和(自身を含む): 278318976

約数和(自身を除く): 200020416

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, 877, 930, 960, 992, 1116, 1240, 1395, 1440, 1488, 1754, 1860, 1984, 2232, 2480, 2631, 2790, 2880, 2976, 3508, 3720, 4385, 4464, 4960, 5262, 5580, 5952, 7016, 7440, 7893, 8770, 8928, 9920, 10524, 11160, 13155, 14032, 14880, 15786, 17540, 17856, 21048, 22320, 26310, 27187, 28064, 29760, 31572, 35080, 39465, 42096, 44640, 52620, 54374, 56128, 63144, 70160, 78930, 81561, 84192, 89280, 105240, 108748, 126288, 135935, 140320, 157860, 163122, 168384, 210480, 217496, 244683, 252576, 271870, 280640, 315720, 326244, 407805, 420960, 434992, 489366, 505152, 543740, 631440, 652488, 815610, 841920, 869984, 978732, 1087480, 1223415, 1262880, 1304976, 1631220, 1739968, 1957464, 2174960, 2446830, 2525760, 2609952, 3262440, 3914928, 4349920, 4893660, 5219904, 6524880, 7829856, 8699840, 9787320, 13049760, 15659712, 19574640, 26099520, 39149280, 78298560]

約数ペア:

[(1, 78298560), (2, 39149280), (3, 26099520), (4, 19574640), (5, 15659712), (6, 13049760), (8, 9787320), (9, 8699840), (10, 7829856), (12, 6524880), (15, 5219904), (16, 4893660), (18, 4349920), (20, 3914928), (24, 3262440), (30, 2609952), (31, 2525760), (32, 2446830), (36, 2174960), (40, 1957464), (45, 1739968), (48, 1631220), (60, 1304976), (62, 1262880), (64, 1223415), (72, 1087480), (80, 978732), (90, 869984), (93, 841920), (96, 815610), (120, 652488), (124, 631440), (144, 543740), (155, 505152), (160, 489366), (180, 434992), (186, 420960), (192, 407805), (240, 326244), (248, 315720), (279, 280640), (288, 271870), (310, 252576), (320, 244683), (360, 217496), (372, 210480), (465, 168384), (480, 163122), (496, 157860), (558, 140320), (576, 135935), (620, 126288), (720, 108748), (744, 105240), (877, 89280), (930, 84192), (960, 81561), (992, 78930), (1116, 70160), (1240, 63144), (1395, 56128), (1440, 54374), (1488, 52620), (1754, 44640), (1860, 42096), (1984, 39465), (2232, 35080), (2480, 31572), (2631, 29760), (2790, 28064), (2880, 27187), (2976, 26310), (3508, 22320), (3720, 21048), (4385, 17856), (4464, 17540), (4960, 15786), (5262, 14880), (5580, 14032), (5952, 13155), (7016, 11160), (7440, 10524), (7893, 9920), (8770, 8928)]