221320320

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{8867}}^1$

素因数の和:8902

約数の個数: 128

約数和(自身を含む): 759810240

約数和(自身を除く): 538489920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 780, 832, 960, 1040, 1248, 1560, 1664, 1920, 2080, 2496, 3120, 4160, 4992, 6240, 8320, 8867, 12480, 17734, 24960, 26601, 35468, 44335, 53202, 70936, 88670, 106404, 115271, 133005, 141872, 177340, 212808, 230542, 266010, 283744, 345813, 354680, 425616, 461084, 532020, 567488, 576355, 691626, 709360, 851232, 922168, 1064040, 1134976, 1152710, 1383252, 1418720, 1702464, 1729065, 1844336, 2128080, 2305420, 2766504, 2837440, 3404928, 3458130, 3688672, 4256160, 4610840, 5533008, 5674880, 6916260, 7377344, 8512320, 9221680, 11066016, 13832520, 14754688, 17024640, 18443360, 22132032, 27665040, 36886720, 44264064, 55330080, 73773440, 110660160, 221320320]

約数ペア:

[(1, 221320320), (2, 110660160), (3, 73773440), (4, 55330080), (5, 44264064), (6, 36886720), (8, 27665040), (10, 22132032), (12, 18443360), (13, 17024640), (15, 14754688), (16, 13832520), (20, 11066016), (24, 9221680), (26, 8512320), (30, 7377344), (32, 6916260), (39, 5674880), (40, 5533008), (48, 4610840), (52, 4256160), (60, 3688672), (64, 3458130), (65, 3404928), (78, 2837440), (80, 2766504), (96, 2305420), (104, 2128080), (120, 1844336), (128, 1729065), (130, 1702464), (156, 1418720), (160, 1383252), (192, 1152710), (195, 1134976), (208, 1064040), (240, 922168), (260, 851232), (312, 709360), (320, 691626), (384, 576355), (390, 567488), (416, 532020), (480, 461084), (520, 425616), (624, 354680), (640, 345813), (780, 283744), (832, 266010), (960, 230542), (1040, 212808), (1248, 177340), (1560, 141872), (1664, 133005), (1920, 115271), (2080, 106404), (2496, 88670), (3120, 70936), (4160, 53202), (4992, 44335), (6240, 35468), (8320, 26601), (8867, 24960), (12480, 17734)]