128771280

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1$

素因数の和:330

約数の個数: 240

約数和(自身を含む): 480504960

約数和(自身を除く): 351733680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 71, 72, 80, 88, 90, 99, 110, 120, 132, 142, 144, 165, 176, 180, 198, 213, 220, 229, 240, 264, 284, 330, 355, 360, 396, 426, 440, 458, 495, 528, 568, 639, 660, 687, 710, 720, 781, 792, 852, 880, 916, 990, 1065, 1136, 1145, 1278, 1320, 1374, 1420, 1562, 1584, 1704, 1832, 1980, 2061, 2130, 2290, 2343, 2519, 2556, 2640, 2748, 2840, 3124, 3195, 3408, 3435, 3664, 3905, 3960, 4122, 4260, 4580, 4686, 5038, 5112, 5496, 5680, 6248, 6390, 6870, 7029, 7557, 7810, 7920, 8244, 8520, 9160, 9372, 10076, 10224, 10305, 10992, 11715, 12496, 12595, 12780, 13740, 14058, 15114, 15620, 16259, 16488, 17040, 18320, 18744, 20152, 20610, 22671, 23430, 25190, 25560, 27480, 28116, 30228, 31240, 32518, 32976, 35145, 37488, 37785, 40304, 41220, 45342, 46860, 48777, 50380, 51120, 54960, 56232, 60456, 62480, 65036, 70290, 75570, 81295, 82440, 90684, 93720, 97554, 100760, 112464, 113355, 120912, 130072, 140580, 146331, 151140, 162590, 164880, 178849, 181368, 187440, 195108, 201520, 226710, 243885, 260144, 281160, 292662, 302280, 325180, 357698, 362736, 390216, 453420, 487770, 536547, 562320, 585324, 604560, 650360, 715396, 731655, 780432, 894245, 906840, 975540, 1073094, 1170648, 1300720, 1430792, 1463310, 1609641, 1788490, 1813680, 1951080, 2146188, 2341296, 2682735, 2861584, 2926620, 3219282, 3576980, 3902160, 4292376, 5365470, 5853240, 6438564, 7153960, 8048205, 8584752, 10730940, 11706480, 12877128, 14307920, 16096410, 21461880, 25754256, 32192820, 42923760, 64385640, 128771280]

約数ペア:

[(1, 128771280), (2, 64385640), (3, 42923760), (4, 32192820), (5, 25754256), (6, 21461880), (8, 16096410), (9, 14307920), (10, 12877128), (11, 11706480), (12, 10730940), (15, 8584752), (16, 8048205), (18, 7153960), (20, 6438564), (22, 5853240), (24, 5365470), (30, 4292376), (33, 3902160), (36, 3576980), (40, 3219282), (44, 2926620), (45, 2861584), (48, 2682735), (55, 2341296), (60, 2146188), (66, 1951080), (71, 1813680), (72, 1788490), (80, 1609641), (88, 1463310), (90, 1430792), (99, 1300720), (110, 1170648), (120, 1073094), (132, 975540), (142, 906840), (144, 894245), (165, 780432), (176, 731655), (180, 715396), (198, 650360), (213, 604560), (220, 585324), (229, 562320), (240, 536547), (264, 487770), (284, 453420), (330, 390216), (355, 362736), (360, 357698), (396, 325180), (426, 302280), (440, 292662), (458, 281160), (495, 260144), (528, 243885), (568, 226710), (639, 201520), (660, 195108), (687, 187440), (710, 181368), (720, 178849), (781, 164880), (792, 162590), (852, 151140), (880, 146331), (916, 140580), (990, 130072), (1065, 120912), (1136, 113355), (1145, 112464), (1278, 100760), (1320, 97554), (1374, 93720), (1420, 90684), (1562, 82440), (1584, 81295), (1704, 75570), (1832, 70290), (1980, 65036), (2061, 62480), (2130, 60456), (2290, 56232), (2343, 54960), (2519, 51120), (2556, 50380), (2640, 48777), (2748, 46860), (2840, 45342), (3124, 41220), (3195, 40304), (3408, 37785), (3435, 37488), (3664, 35145), (3905, 32976), (3960, 32518), (4122, 31240), (4260, 30228), (4580, 28116), (4686, 27480), (5038, 25560), (5112, 25190), (5496, 23430), (5680, 22671), (6248, 20610), (6390, 20152), (6870, 18744), (7029, 18320), (7557, 17040), (7810, 16488), (7920, 16259), (8244, 15620), (8520, 15114), (9160, 14058), (9372, 13740), (10076, 12780), (10224, 12595), (10305, 12496), (10992, 11715)]