78588720

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{503}}^1$

素因数の和:560

約数の個数: 240

約数和(自身を含む): 311980032

約数和(自身を除く): 233391312

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 31, 35, 36, 40, 42, 45, 48, 56, 60, 62, 63, 70, 72, 80, 84, 90, 93, 105, 112, 120, 124, 126, 140, 144, 155, 168, 180, 186, 210, 217, 240, 248, 252, 279, 280, 310, 315, 336, 360, 372, 420, 434, 465, 496, 503, 504, 558, 560, 620, 630, 651, 720, 744, 840, 868, 930, 1006, 1008, 1085, 1116, 1240, 1260, 1302, 1395, 1488, 1509, 1680, 1736, 1860, 1953, 2012, 2170, 2232, 2480, 2515, 2520, 2604, 2790, 3018, 3255, 3472, 3521, 3720, 3906, 4024, 4340, 4464, 4527, 5030, 5040, 5208, 5580, 6036, 6510, 7042, 7440, 7545, 7812, 8048, 8680, 9054, 9765, 10060, 10416, 10563, 11160, 12072, 13020, 14084, 15090, 15593, 15624, 17360, 17605, 18108, 19530, 20120, 21126, 22320, 22635, 24144, 26040, 28168, 30180, 31186, 31248, 31689, 35210, 36216, 39060, 40240, 42252, 45270, 46779, 52080, 52815, 56336, 60360, 62372, 63378, 70420, 72432, 77965, 78120, 84504, 90540, 93558, 105630, 109151, 120720, 124744, 126756, 140337, 140840, 155930, 156240, 158445, 169008, 181080, 187116, 211260, 218302, 233895, 249488, 253512, 280674, 281680, 311860, 316890, 327453, 362160, 374232, 422520, 436604, 467790, 507024, 545755, 561348, 623720, 633780, 654906, 701685, 748464, 845040, 873208, 935580, 982359, 1091510, 1122696, 1247440, 1267560, 1309812, 1403370, 1637265, 1746416, 1871160, 1964718, 2183020, 2245392, 2535120, 2619624, 2806740, 3274530, 3742320, 3929436, 4366040, 4911795, 5239248, 5613480, 6549060, 7858872, 8732080, 9823590, 11226960, 13098120, 15717744, 19647180, 26196240, 39294360, 78588720]

約数ペア:

[(1, 78588720), (2, 39294360), (3, 26196240), (4, 19647180), (5, 15717744), (6, 13098120), (7, 11226960), (8, 9823590), (9, 8732080), (10, 7858872), (12, 6549060), (14, 5613480), (15, 5239248), (16, 4911795), (18, 4366040), (20, 3929436), (21, 3742320), (24, 3274530), (28, 2806740), (30, 2619624), (31, 2535120), (35, 2245392), (36, 2183020), (40, 1964718), (42, 1871160), (45, 1746416), (48, 1637265), (56, 1403370), (60, 1309812), (62, 1267560), (63, 1247440), (70, 1122696), (72, 1091510), (80, 982359), (84, 935580), (90, 873208), (93, 845040), (105, 748464), (112, 701685), (120, 654906), (124, 633780), (126, 623720), (140, 561348), (144, 545755), (155, 507024), (168, 467790), (180, 436604), (186, 422520), (210, 374232), (217, 362160), (240, 327453), (248, 316890), (252, 311860), (279, 281680), (280, 280674), (310, 253512), (315, 249488), (336, 233895), (360, 218302), (372, 211260), (420, 187116), (434, 181080), (465, 169008), (496, 158445), (503, 156240), (504, 155930), (558, 140840), (560, 140337), (620, 126756), (630, 124744), (651, 120720), (720, 109151), (744, 105630), (840, 93558), (868, 90540), (930, 84504), (1006, 78120), (1008, 77965), (1085, 72432), (1116, 70420), (1240, 63378), (1260, 62372), (1302, 60360), (1395, 56336), (1488, 52815), (1509, 52080), (1680, 46779), (1736, 45270), (1860, 42252), (1953, 40240), (2012, 39060), (2170, 36216), (2232, 35210), (2480, 31689), (2515, 31248), (2520, 31186), (2604, 30180), (2790, 28168), (3018, 26040), (3255, 24144), (3472, 22635), (3521, 22320), (3720, 21126), (3906, 20120), (4024, 19530), (4340, 18108), (4464, 17605), (4527, 17360), (5030, 15624), (5040, 15593), (5208, 15090), (5580, 14084), (6036, 13020), (6510, 12072), (7042, 11160), (7440, 10563), (7545, 10416), (7812, 10060), (8048, 9765), (8680, 9054)]