315200640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{181}}^1\times {\mathrm{907}}^1$

素因数の和:1110

約数の個数: 128

約数和(自身を含む): 1011366720

約数和(自身を除く): 696166080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 181, 192, 240, 320, 362, 384, 480, 543, 640, 724, 905, 907, 960, 1086, 1448, 1810, 1814, 1920, 2172, 2715, 2721, 2896, 3620, 3628, 4344, 4535, 5430, 5442, 5792, 7240, 7256, 8688, 9070, 10860, 10884, 11584, 13605, 14480, 14512, 17376, 18140, 21720, 21768, 23168, 27210, 28960, 29024, 34752, 36280, 43440, 43536, 54420, 57920, 58048, 69504, 72560, 86880, 87072, 108840, 115840, 116096, 145120, 164167, 173760, 174144, 217680, 290240, 328334, 347520, 348288, 435360, 492501, 580480, 656668, 820835, 870720, 985002, 1313336, 1641670, 1741440, 1970004, 2462505, 2626672, 3283340, 3940008, 4925010, 5253344, 6566680, 7880016, 9850020, 10506688, 13133360, 15760032, 19700040, 21013376, 26266720, 31520064, 39400080, 52533440, 63040128, 78800160, 105066880, 157600320, 315200640]

約数ペア:

[(1, 315200640), (2, 157600320), (3, 105066880), (4, 78800160), (5, 63040128), (6, 52533440), (8, 39400080), (10, 31520064), (12, 26266720), (15, 21013376), (16, 19700040), (20, 15760032), (24, 13133360), (30, 10506688), (32, 9850020), (40, 7880016), (48, 6566680), (60, 5253344), (64, 4925010), (80, 3940008), (96, 3283340), (120, 2626672), (128, 2462505), (160, 1970004), (181, 1741440), (192, 1641670), (240, 1313336), (320, 985002), (362, 870720), (384, 820835), (480, 656668), (543, 580480), (640, 492501), (724, 435360), (905, 348288), (907, 347520), (960, 328334), (1086, 290240), (1448, 217680), (1810, 174144), (1814, 173760), (1920, 164167), (2172, 145120), (2715, 116096), (2721, 115840), (2896, 108840), (3620, 87072), (3628, 86880), (4344, 72560), (4535, 69504), (5430, 58048), (5442, 57920), (5792, 54420), (7240, 43536), (7256, 43440), (8688, 36280), (9070, 34752), (10860, 29024), (10884, 28960), (11584, 27210), (13605, 23168), (14480, 21768), (14512, 21720), (17376, 18140)]