78521760

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1759}}^1$

素因数の和:1811

約数の個数: 144

約数和(自身を含む): 276756480

約数和(自身を除く): 198234720

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, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1759, 1860, 2232, 2480, 2790, 2976, 3518, 3720, 4464, 4960, 5277, 5580, 7036, 7440, 8795, 8928, 10554, 11160, 14072, 14880, 15831, 17590, 21108, 22320, 26385, 28144, 31662, 35180, 42216, 44640, 52770, 54529, 56288, 63324, 70360, 79155, 84432, 105540, 109058, 126648, 140720, 158310, 163587, 168864, 211080, 218116, 253296, 272645, 281440, 316620, 327174, 422160, 436232, 490761, 506592, 545290, 633240, 654348, 817935, 844320, 872464, 981522, 1090580, 1266480, 1308696, 1635870, 1744928, 1963044, 2181160, 2453805, 2532960, 2617392, 3271740, 3926088, 4362320, 4907610, 5234784, 6543480, 7852176, 8724640, 9815220, 13086960, 15704352, 19630440, 26173920, 39260880, 78521760]

約数ペア:

[(1, 78521760), (2, 39260880), (3, 26173920), (4, 19630440), (5, 15704352), (6, 13086960), (8, 9815220), (9, 8724640), (10, 7852176), (12, 6543480), (15, 5234784), (16, 4907610), (18, 4362320), (20, 3926088), (24, 3271740), (30, 2617392), (31, 2532960), (32, 2453805), (36, 2181160), (40, 1963044), (45, 1744928), (48, 1635870), (60, 1308696), (62, 1266480), (72, 1090580), (80, 981522), (90, 872464), (93, 844320), (96, 817935), (120, 654348), (124, 633240), (144, 545290), (155, 506592), (160, 490761), (180, 436232), (186, 422160), (240, 327174), (248, 316620), (279, 281440), (288, 272645), (310, 253296), (360, 218116), (372, 211080), (465, 168864), (480, 163587), (496, 158310), (558, 140720), (620, 126648), (720, 109058), (744, 105540), (930, 84432), (992, 79155), (1116, 70360), (1240, 63324), (1395, 56288), (1440, 54529), (1488, 52770), (1759, 44640), (1860, 42216), (2232, 35180), (2480, 31662), (2790, 28144), (2976, 26385), (3518, 22320), (3720, 21108), (4464, 17590), (4960, 15831), (5277, 14880), (5580, 14072), (7036, 11160), (7440, 10554), (8795, 8928)]