1291002880

素因数分解:

$2^{10}\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{577}}^1$

素因数の和:644

約数の個数: 176

約数和(自身を含む): 3407518080

約数和(自身を除く): 2116515200

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 32, 38, 40, 46, 64, 76, 80, 92, 95, 115, 128, 152, 160, 184, 190, 230, 256, 304, 320, 368, 380, 437, 460, 512, 577, 608, 640, 736, 760, 874, 920, 1024, 1154, 1216, 1280, 1472, 1520, 1748, 1840, 2185, 2308, 2432, 2560, 2885, 2944, 3040, 3496, 3680, 4370, 4616, 4864, 5120, 5770, 5888, 6080, 6992, 7360, 8740, 9232, 9728, 10963, 11540, 11776, 12160, 13271, 13984, 14720, 17480, 18464, 19456, 21926, 23080, 23552, 24320, 26542, 27968, 29440, 34960, 36928, 43852, 46160, 48640, 53084, 54815, 55936, 58880, 66355, 69920, 73856, 87704, 92320, 97280, 106168, 109630, 111872, 117760, 132710, 139840, 147712, 175408, 184640, 212336, 219260, 223744, 252149, 265420, 279680, 295424, 350816, 369280, 424672, 438520, 447488, 504298, 530840, 559360, 590848, 701632, 738560, 849344, 877040, 1008596, 1061680, 1118720, 1260745, 1403264, 1477120, 1698688, 1754080, 2017192, 2123360, 2237440, 2521490, 2806528, 2954240, 3397376, 3508160, 4034384, 4246720, 5042980, 5613056, 6794752, 7016320, 8068768, 8493440, 10085960, 11226112, 13589504, 14032640, 16137536, 16986880, 20171920, 28065280, 32275072, 33973760, 40343840, 56130560, 64550144, 67947520, 80687680, 129100288, 161375360, 258200576, 322750720, 645501440, 1291002880]

約数ペア:

[(1, 1291002880), (2, 645501440), (4, 322750720), (5, 258200576), (8, 161375360), (10, 129100288), (16, 80687680), (19, 67947520), (20, 64550144), (23, 56130560), (32, 40343840), (38, 33973760), (40, 32275072), (46, 28065280), (64, 20171920), (76, 16986880), (80, 16137536), (92, 14032640), (95, 13589504), (115, 11226112), (128, 10085960), (152, 8493440), (160, 8068768), (184, 7016320), (190, 6794752), (230, 5613056), (256, 5042980), (304, 4246720), (320, 4034384), (368, 3508160), (380, 3397376), (437, 2954240), (460, 2806528), (512, 2521490), (577, 2237440), (608, 2123360), (640, 2017192), (736, 1754080), (760, 1698688), (874, 1477120), (920, 1403264), (1024, 1260745), (1154, 1118720), (1216, 1061680), (1280, 1008596), (1472, 877040), (1520, 849344), (1748, 738560), (1840, 701632), (2185, 590848), (2308, 559360), (2432, 530840), (2560, 504298), (2885, 447488), (2944, 438520), (3040, 424672), (3496, 369280), (3680, 350816), (4370, 295424), (4616, 279680), (4864, 265420), (5120, 252149), (5770, 223744), (5888, 219260), (6080, 212336), (6992, 184640), (7360, 175408), (8740, 147712), (9232, 139840), (9728, 132710), (10963, 117760), (11540, 111872), (11776, 109630), (12160, 106168), (13271, 97280), (13984, 92320), (14720, 87704), (17480, 73856), (18464, 69920), (19456, 66355), (21926, 58880), (23080, 55936), (23552, 54815), (24320, 53084), (26542, 48640), (27968, 46160), (29440, 43852), (34960, 36928)]