16646640640

素因数分解:

$2^{10}\times 5^1\times 7^3\times {\mathrm{9479}}^1$

素因数の和:9525

約数の個数: 176

約数和(自身を含む): 46573344000

約数和(自身を除く): 29926703360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 98, 112, 128, 140, 160, 196, 224, 245, 256, 280, 320, 343, 392, 448, 490, 512, 560, 640, 686, 784, 896, 980, 1024, 1120, 1280, 1372, 1568, 1715, 1792, 1960, 2240, 2560, 2744, 3136, 3430, 3584, 3920, 4480, 5120, 5488, 6272, 6860, 7168, 7840, 8960, 9479, 10976, 12544, 13720, 15680, 17920, 18958, 21952, 25088, 27440, 31360, 35840, 37916, 43904, 47395, 50176, 54880, 62720, 66353, 75832, 87808, 94790, 109760, 125440, 132706, 151664, 175616, 189580, 219520, 250880, 265412, 303328, 331765, 351232, 379160, 439040, 464471, 530824, 606656, 663530, 758320, 878080, 928942, 1061648, 1213312, 1327060, 1516640, 1756160, 1857884, 2123296, 2322355, 2426624, 2654120, 3033280, 3251297, 3715768, 4246592, 4644710, 4853248, 5308240, 6066560, 6502594, 7431536, 8493184, 9289420, 9706496, 10616480, 12133120, 13005188, 14863072, 16256485, 16986368, 18578840, 21232960, 24266240, 26010376, 29726144, 32512970, 33972736, 37157680, 42465920, 48532480, 52020752, 59452288, 65025940, 67945472, 74315360, 84931840, 104041504, 118904576, 130051880, 148630720, 169863680, 208083008, 237809152, 260103760, 297261440, 339727360, 416166016, 475618304, 520207520, 594522880, 832332032, 1040415040, 1189045760, 1664664064, 2080830080, 2378091520, 3329328128, 4161660160, 8323320320, 16646640640]

約数ペア:

[(1, 16646640640), (2, 8323320320), (4, 4161660160), (5, 3329328128), (7, 2378091520), (8, 2080830080), (10, 1664664064), (14, 1189045760), (16, 1040415040), (20, 832332032), (28, 594522880), (32, 520207520), (35, 475618304), (40, 416166016), (49, 339727360), (56, 297261440), (64, 260103760), (70, 237809152), (80, 208083008), (98, 169863680), (112, 148630720), (128, 130051880), (140, 118904576), (160, 104041504), (196, 84931840), (224, 74315360), (245, 67945472), (256, 65025940), (280, 59452288), (320, 52020752), (343, 48532480), (392, 42465920), (448, 37157680), (490, 33972736), (512, 32512970), (560, 29726144), (640, 26010376), (686, 24266240), (784, 21232960), (896, 18578840), (980, 16986368), (1024, 16256485), (1120, 14863072), (1280, 13005188), (1372, 12133120), (1568, 10616480), (1715, 9706496), (1792, 9289420), (1960, 8493184), (2240, 7431536), (2560, 6502594), (2744, 6066560), (3136, 5308240), (3430, 4853248), (3584, 4644710), (3920, 4246592), (4480, 3715768), (5120, 3251297), (5488, 3033280), (6272, 2654120), (6860, 2426624), (7168, 2322355), (7840, 2123296), (8960, 1857884), (9479, 1756160), (10976, 1516640), (12544, 1327060), (13720, 1213312), (15680, 1061648), (17920, 928942), (18958, 878080), (21952, 758320), (25088, 663530), (27440, 606656), (31360, 530824), (35840, 464471), (37916, 439040), (43904, 379160), (47395, 351232), (50176, 331765), (54880, 303328), (62720, 265412), (66353, 250880), (75832, 219520), (87808, 189580), (94790, 175616), (109760, 151664), (125440, 132706)]