39818880

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1$

素因数の和:279

約数の個数: 192

約数和(自身を含む): 142571520

約数和(自身を除く): 102752640

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, 128, 144, 155, 160, 180, 186, 192, 223, 240, 248, 279, 288, 310, 320, 360, 372, 384, 446, 465, 480, 496, 558, 576, 620, 640, 669, 720, 744, 892, 930, 960, 992, 1115, 1116, 1152, 1240, 1338, 1395, 1440, 1488, 1784, 1860, 1920, 1984, 2007, 2230, 2232, 2480, 2676, 2790, 2880, 2976, 3345, 3568, 3720, 3968, 4014, 4460, 4464, 4960, 5352, 5580, 5760, 5952, 6690, 6913, 7136, 7440, 8028, 8920, 8928, 9920, 10035, 10704, 11160, 11904, 13380, 13826, 14272, 14880, 16056, 17840, 17856, 19840, 20070, 20739, 21408, 22320, 26760, 27652, 28544, 29760, 32112, 34565, 35680, 35712, 40140, 41478, 42816, 44640, 53520, 55304, 59520, 62217, 64224, 69130, 71360, 80280, 82956, 85632, 89280, 103695, 107040, 110608, 124434, 128448, 138260, 142720, 160560, 165912, 178560, 207390, 214080, 221216, 248868, 256896, 276520, 311085, 321120, 331824, 414780, 428160, 442432, 497736, 553040, 622170, 642240, 663648, 829560, 884864, 995472, 1106080, 1244340, 1284480, 1327296, 1659120, 1990944, 2212160, 2488680, 2654592, 3318240, 3981888, 4424320, 4977360, 6636480, 7963776, 9954720, 13272960, 19909440, 39818880]

約数ペア:

[(1, 39818880), (2, 19909440), (3, 13272960), (4, 9954720), (5, 7963776), (6, 6636480), (8, 4977360), (9, 4424320), (10, 3981888), (12, 3318240), (15, 2654592), (16, 2488680), (18, 2212160), (20, 1990944), (24, 1659120), (30, 1327296), (31, 1284480), (32, 1244340), (36, 1106080), (40, 995472), (45, 884864), (48, 829560), (60, 663648), (62, 642240), (64, 622170), (72, 553040), (80, 497736), (90, 442432), (93, 428160), (96, 414780), (120, 331824), (124, 321120), (128, 311085), (144, 276520), (155, 256896), (160, 248868), (180, 221216), (186, 214080), (192, 207390), (223, 178560), (240, 165912), (248, 160560), (279, 142720), (288, 138260), (310, 128448), (320, 124434), (360, 110608), (372, 107040), (384, 103695), (446, 89280), (465, 85632), (480, 82956), (496, 80280), (558, 71360), (576, 69130), (620, 64224), (640, 62217), (669, 59520), (720, 55304), (744, 53520), (892, 44640), (930, 42816), (960, 41478), (992, 40140), (1115, 35712), (1116, 35680), (1152, 34565), (1240, 32112), (1338, 29760), (1395, 28544), (1440, 27652), (1488, 26760), (1784, 22320), (1860, 21408), (1920, 20739), (1984, 20070), (2007, 19840), (2230, 17856), (2232, 17840), (2480, 16056), (2676, 14880), (2790, 14272), (2880, 13826), (2976, 13380), (3345, 11904), (3568, 11160), (3720, 10704), (3968, 10035), (4014, 9920), (4460, 8928), (4464, 8920), (4960, 8028), (5352, 7440), (5580, 7136), (5760, 6913), (5952, 6690)]