321210240

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{757}}^1$

素因数の和:809

約数の個数: 256

約数和(自身を含む): 1169017920

約数和(自身を除く): 847807680

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 17, 20, 24, 26, 30, 32, 34, 39, 40, 48, 51, 52, 60, 64, 65, 68, 78, 80, 85, 96, 102, 104, 120, 128, 130, 136, 156, 160, 170, 192, 195, 204, 208, 221, 240, 255, 260, 272, 312, 320, 340, 384, 390, 408, 416, 442, 480, 510, 520, 544, 624, 640, 663, 680, 757, 780, 816, 832, 884, 960, 1020, 1040, 1088, 1105, 1248, 1326, 1360, 1514, 1560, 1632, 1664, 1768, 1920, 2040, 2080, 2176, 2210, 2271, 2496, 2652, 2720, 3028, 3120, 3264, 3315, 3536, 3785, 4080, 4160, 4420, 4542, 4992, 5304, 5440, 6056, 6240, 6528, 6630, 7072, 7570, 8160, 8320, 8840, 9084, 9841, 10608, 10880, 11355, 12112, 12480, 12869, 13260, 14144, 15140, 16320, 17680, 18168, 19682, 21216, 22710, 24224, 24960, 25738, 26520, 28288, 29523, 30280, 32640, 35360, 36336, 38607, 39364, 42432, 45420, 48448, 49205, 51476, 53040, 59046, 60560, 64345, 70720, 72672, 77214, 78728, 84864, 90840, 96896, 98410, 102952, 106080, 118092, 121120, 128690, 141440, 145344, 147615, 154428, 157456, 167297, 181680, 193035, 196820, 205904, 212160, 236184, 242240, 257380, 290688, 295230, 308856, 314912, 334594, 363360, 386070, 393640, 411808, 424320, 472368, 484480, 501891, 514760, 590460, 617712, 629824, 669188, 726720, 772140, 787280, 823616, 836485, 944736, 1003782, 1029520, 1180920, 1235424, 1259648, 1338376, 1453440, 1544280, 1574560, 1647232, 1672970, 1889472, 2007564, 2059040, 2361840, 2470848, 2509455, 2676752, 3088560, 3149120, 3345940, 3778944, 4015128, 4118080, 4723680, 4941696, 5018910, 5353504, 6177120, 6298240, 6691880, 8030256, 8236160, 9447360, 10037820, 10707008, 12354240, 13383760, 16060512, 18894720, 20075640, 21414016, 24708480, 26767520, 32121024, 40151280, 53535040, 64242048, 80302560, 107070080, 160605120, 321210240]

約数ペア:

[(1, 321210240), (2, 160605120), (3, 107070080), (4, 80302560), (5, 64242048), (6, 53535040), (8, 40151280), (10, 32121024), (12, 26767520), (13, 24708480), (15, 21414016), (16, 20075640), (17, 18894720), (20, 16060512), (24, 13383760), (26, 12354240), (30, 10707008), (32, 10037820), (34, 9447360), (39, 8236160), (40, 8030256), (48, 6691880), (51, 6298240), (52, 6177120), (60, 5353504), (64, 5018910), (65, 4941696), (68, 4723680), (78, 4118080), (80, 4015128), (85, 3778944), (96, 3345940), (102, 3149120), (104, 3088560), (120, 2676752), (128, 2509455), (130, 2470848), (136, 2361840), (156, 2059040), (160, 2007564), (170, 1889472), (192, 1672970), (195, 1647232), (204, 1574560), (208, 1544280), (221, 1453440), (240, 1338376), (255, 1259648), (260, 1235424), (272, 1180920), (312, 1029520), (320, 1003782), (340, 944736), (384, 836485), (390, 823616), (408, 787280), (416, 772140), (442, 726720), (480, 669188), (510, 629824), (520, 617712), (544, 590460), (624, 514760), (640, 501891), (663, 484480), (680, 472368), (757, 424320), (780, 411808), (816, 393640), (832, 386070), (884, 363360), (960, 334594), (1020, 314912), (1040, 308856), (1088, 295230), (1105, 290688), (1248, 257380), (1326, 242240), (1360, 236184), (1514, 212160), (1560, 205904), (1632, 196820), (1664, 193035), (1768, 181680), (1920, 167297), (2040, 157456), (2080, 154428), (2176, 147615), (2210, 145344), (2271, 141440), (2496, 128690), (2652, 121120), (2720, 118092), (3028, 106080), (3120, 102952), (3264, 98410), (3315, 96896), (3536, 90840), (3785, 84864), (4080, 78728), (4160, 77214), (4420, 72672), (4542, 70720), (4992, 64345), (5304, 60560), (5440, 59046), (6056, 53040), (6240, 51476), (6528, 49205), (6630, 48448), (7072, 45420), (7570, 42432), (8160, 39364), (8320, 38607), (8840, 36336), (9084, 35360), (9841, 32640), (10608, 30280), (10880, 29523), (11355, 28288), (12112, 26520), (12480, 25738), (12869, 24960), (13260, 24224), (14144, 22710), (15140, 21216), (16320, 19682), (17680, 18168)]