318919680

素因数分解:

$2^{10}\times 3^4\times 5^1\times {\mathrm{769}}^1$

素因数の和:806

約数の個数: 220

約数和(自身を含む): 1144313940

約数和(自身を除く): 825394260

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 128, 135, 144, 160, 162, 180, 192, 216, 240, 256, 270, 288, 320, 324, 360, 384, 405, 432, 480, 512, 540, 576, 640, 648, 720, 768, 769, 810, 864, 960, 1024, 1080, 1152, 1280, 1296, 1440, 1536, 1538, 1620, 1728, 1920, 2160, 2304, 2307, 2560, 2592, 2880, 3072, 3076, 3240, 3456, 3840, 3845, 4320, 4608, 4614, 5120, 5184, 5760, 6152, 6480, 6912, 6921, 7680, 7690, 8640, 9216, 9228, 10368, 11520, 11535, 12304, 12960, 13824, 13842, 15360, 15380, 17280, 18456, 20736, 20763, 23040, 23070, 24608, 25920, 27648, 27684, 30760, 34560, 34605, 36912, 41472, 41526, 46080, 46140, 49216, 51840, 55368, 61520, 62289, 69120, 69210, 73824, 82944, 83052, 92280, 98432, 103680, 103815, 110736, 123040, 124578, 138240, 138420, 147648, 166104, 184560, 196864, 207360, 207630, 221472, 246080, 249156, 276840, 295296, 311445, 332208, 369120, 393728, 414720, 415260, 442944, 492160, 498312, 553680, 590592, 622890, 664416, 738240, 787456, 830520, 885888, 984320, 996624, 1107360, 1181184, 1245780, 1328832, 1476480, 1661040, 1771776, 1968640, 1993248, 2214720, 2362368, 2491560, 2657664, 2952960, 3322080, 3543552, 3937280, 3986496, 4429440, 4983120, 5315328, 5905920, 6644160, 7087104, 7972992, 8858880, 9966240, 10630656, 11811840, 13288320, 15945984, 17717760, 19932480, 21261312, 26576640, 31891968, 35435520, 39864960, 53153280, 63783936, 79729920, 106306560, 159459840, 318919680]

約数ペア:

[(1, 318919680), (2, 159459840), (3, 106306560), (4, 79729920), (5, 63783936), (6, 53153280), (8, 39864960), (9, 35435520), (10, 31891968), (12, 26576640), (15, 21261312), (16, 19932480), (18, 17717760), (20, 15945984), (24, 13288320), (27, 11811840), (30, 10630656), (32, 9966240), (36, 8858880), (40, 7972992), (45, 7087104), (48, 6644160), (54, 5905920), (60, 5315328), (64, 4983120), (72, 4429440), (80, 3986496), (81, 3937280), (90, 3543552), (96, 3322080), (108, 2952960), (120, 2657664), (128, 2491560), (135, 2362368), (144, 2214720), (160, 1993248), (162, 1968640), (180, 1771776), (192, 1661040), (216, 1476480), (240, 1328832), (256, 1245780), (270, 1181184), (288, 1107360), (320, 996624), (324, 984320), (360, 885888), (384, 830520), (405, 787456), (432, 738240), (480, 664416), (512, 622890), (540, 590592), (576, 553680), (640, 498312), (648, 492160), (720, 442944), (768, 415260), (769, 414720), (810, 393728), (864, 369120), (960, 332208), (1024, 311445), (1080, 295296), (1152, 276840), (1280, 249156), (1296, 246080), (1440, 221472), (1536, 207630), (1538, 207360), (1620, 196864), (1728, 184560), (1920, 166104), (2160, 147648), (2304, 138420), (2307, 138240), (2560, 124578), (2592, 123040), (2880, 110736), (3072, 103815), (3076, 103680), (3240, 98432), (3456, 92280), (3840, 83052), (3845, 82944), (4320, 73824), (4608, 69210), (4614, 69120), (5120, 62289), (5184, 61520), (5760, 55368), (6152, 51840), (6480, 49216), (6912, 46140), (6921, 46080), (7680, 41526), (7690, 41472), (8640, 36912), (9216, 34605), (9228, 34560), (10368, 30760), (11520, 27684), (11535, 27648), (12304, 25920), (12960, 24608), (13824, 23070), (13842, 23040), (15360, 20763), (15380, 20736), (17280, 18456)]