2020720800

素因数分解:

$2^5\times 3^1\times 5^2\times 7^2\times {\mathrm{17183}}^1$

素因数の和:17220

約数の個数: 216

約数和(自身を含む): 7651760256

約数和(自身を除く): 5631039456

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 32, 35, 40, 42, 48, 49, 50, 56, 60, 70, 75, 80, 84, 96, 98, 100, 105, 112, 120, 140, 147, 150, 160, 168, 175, 196, 200, 210, 224, 240, 245, 280, 294, 300, 336, 350, 392, 400, 420, 480, 490, 525, 560, 588, 600, 672, 700, 735, 784, 800, 840, 980, 1050, 1120, 1176, 1200, 1225, 1400, 1470, 1568, 1680, 1960, 2100, 2352, 2400, 2450, 2800, 2940, 3360, 3675, 3920, 4200, 4704, 4900, 5600, 5880, 7350, 7840, 8400, 9800, 11760, 14700, 16800, 17183, 19600, 23520, 29400, 34366, 39200, 51549, 58800, 68732, 85915, 103098, 117600, 120281, 137464, 171830, 206196, 240562, 257745, 274928, 343660, 360843, 412392, 429575, 481124, 515490, 549856, 601405, 687320, 721686, 824784, 841967, 859150, 962248, 1030980, 1202810, 1288725, 1374640, 1443372, 1649568, 1683934, 1718300, 1804215, 1924496, 2061960, 2405620, 2525901, 2577450, 2749280, 2886744, 3007025, 3367868, 3436600, 3608430, 3848992, 4123920, 4209835, 4811240, 5051802, 5154900, 5773488, 6014050, 6735736, 6873200, 7216860, 8247840, 8419670, 9021075, 9622480, 10103604, 10309800, 11546976, 12028100, 12629505, 13471472, 13746400, 14433720, 16839340, 18042150, 19244960, 20207208, 20619600, 21049175, 24056200, 25259010, 26942944, 28867440, 33678680, 36084300, 40414416, 41239200, 42098350, 48112400, 50518020, 57734880, 63147525, 67357360, 72168600, 80828832, 84196700, 96224800, 101036040, 126295050, 134714720, 144337200, 168393400, 202072080, 252590100, 288674400, 336786800, 404144160, 505180200, 673573600, 1010360400, 2020720800]

約数ペア:

[(1, 2020720800), (2, 1010360400), (3, 673573600), (4, 505180200), (5, 404144160), (6, 336786800), (7, 288674400), (8, 252590100), (10, 202072080), (12, 168393400), (14, 144337200), (15, 134714720), (16, 126295050), (20, 101036040), (21, 96224800), (24, 84196700), (25, 80828832), (28, 72168600), (30, 67357360), (32, 63147525), (35, 57734880), (40, 50518020), (42, 48112400), (48, 42098350), (49, 41239200), (50, 40414416), (56, 36084300), (60, 33678680), (70, 28867440), (75, 26942944), (80, 25259010), (84, 24056200), (96, 21049175), (98, 20619600), (100, 20207208), (105, 19244960), (112, 18042150), (120, 16839340), (140, 14433720), (147, 13746400), (150, 13471472), (160, 12629505), (168, 12028100), (175, 11546976), (196, 10309800), (200, 10103604), (210, 9622480), (224, 9021075), (240, 8419670), (245, 8247840), (280, 7216860), (294, 6873200), (300, 6735736), (336, 6014050), (350, 5773488), (392, 5154900), (400, 5051802), (420, 4811240), (480, 4209835), (490, 4123920), (525, 3848992), (560, 3608430), (588, 3436600), (600, 3367868), (672, 3007025), (700, 2886744), (735, 2749280), (784, 2577450), (800, 2525901), (840, 2405620), (980, 2061960), (1050, 1924496), (1120, 1804215), (1176, 1718300), (1200, 1683934), (1225, 1649568), (1400, 1443372), (1470, 1374640), (1568, 1288725), (1680, 1202810), (1960, 1030980), (2100, 962248), (2352, 859150), (2400, 841967), (2450, 824784), (2800, 721686), (2940, 687320), (3360, 601405), (3675, 549856), (3920, 515490), (4200, 481124), (4704, 429575), (4900, 412392), (5600, 360843), (5880, 343660), (7350, 274928), (7840, 257745), (8400, 240562), (9800, 206196), (11760, 171830), (14700, 137464), (16800, 120281), (17183, 117600), (19600, 103098), (23520, 85915), (29400, 68732), (34366, 58800), (39200, 51549)]