221550720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{173}}^1$

素因数の和:247

約数の個数: 256

約数和(自身を含む): 766713600

約数和(自身を除く): 545162880

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 29, 30, 32, 40, 46, 48, 58, 60, 64, 69, 80, 87, 92, 96, 115, 116, 120, 128, 138, 145, 160, 173, 174, 184, 192, 230, 232, 240, 276, 290, 320, 345, 346, 348, 368, 384, 435, 460, 464, 480, 519, 552, 580, 640, 667, 690, 692, 696, 736, 865, 870, 920, 928, 960, 1038, 1104, 1160, 1334, 1380, 1384, 1392, 1472, 1730, 1740, 1840, 1856, 1920, 2001, 2076, 2208, 2320, 2595, 2668, 2760, 2768, 2784, 2944, 3335, 3460, 3480, 3680, 3712, 3979, 4002, 4152, 4416, 4640, 5017, 5190, 5336, 5520, 5536, 5568, 6670, 6920, 6960, 7360, 7958, 8004, 8304, 8832, 9280, 10005, 10034, 10380, 10672, 11040, 11072, 11136, 11937, 13340, 13840, 13920, 14720, 15051, 15916, 16008, 16608, 18560, 19895, 20010, 20068, 20760, 21344, 22080, 22144, 23874, 25085, 26680, 27680, 27840, 30102, 31832, 32016, 33216, 39790, 40020, 40136, 41520, 42688, 44160, 47748, 50170, 53360, 55360, 55680, 59685, 60204, 63664, 64032, 66432, 75255, 79580, 80040, 80272, 83040, 85376, 95496, 100340, 106720, 110720, 115391, 119370, 120408, 127328, 128064, 150510, 159160, 160080, 160544, 166080, 190992, 200680, 213440, 230782, 238740, 240816, 254656, 256128, 301020, 318320, 320160, 321088, 332160, 346173, 381984, 401360, 426880, 461564, 477480, 481632, 509312, 576955, 602040, 636640, 640320, 642176, 692346, 763968, 802720, 923128, 954960, 963264, 1153910, 1204080, 1273280, 1280640, 1384692, 1527936, 1605440, 1730865, 1846256, 1909920, 1926528, 2307820, 2408160, 2546560, 2769384, 3210880, 3461730, 3692512, 3819840, 4615640, 4816320, 5538768, 6923460, 7385024, 7639680, 9231280, 9632640, 11077536, 13846920, 14770048, 18462560, 22155072, 27693840, 36925120, 44310144, 55387680, 73850240, 110775360, 221550720]

約数ペア:

[(1, 221550720), (2, 110775360), (3, 73850240), (4, 55387680), (5, 44310144), (6, 36925120), (8, 27693840), (10, 22155072), (12, 18462560), (15, 14770048), (16, 13846920), (20, 11077536), (23, 9632640), (24, 9231280), (29, 7639680), (30, 7385024), (32, 6923460), (40, 5538768), (46, 4816320), (48, 4615640), (58, 3819840), (60, 3692512), (64, 3461730), (69, 3210880), (80, 2769384), (87, 2546560), (92, 2408160), (96, 2307820), (115, 1926528), (116, 1909920), (120, 1846256), (128, 1730865), (138, 1605440), (145, 1527936), (160, 1384692), (173, 1280640), (174, 1273280), (184, 1204080), (192, 1153910), (230, 963264), (232, 954960), (240, 923128), (276, 802720), (290, 763968), (320, 692346), (345, 642176), (346, 640320), (348, 636640), (368, 602040), (384, 576955), (435, 509312), (460, 481632), (464, 477480), (480, 461564), (519, 426880), (552, 401360), (580, 381984), (640, 346173), (667, 332160), (690, 321088), (692, 320160), (696, 318320), (736, 301020), (865, 256128), (870, 254656), (920, 240816), (928, 238740), (960, 230782), (1038, 213440), (1104, 200680), (1160, 190992), (1334, 166080), (1380, 160544), (1384, 160080), (1392, 159160), (1472, 150510), (1730, 128064), (1740, 127328), (1840, 120408), (1856, 119370), (1920, 115391), (2001, 110720), (2076, 106720), (2208, 100340), (2320, 95496), (2595, 85376), (2668, 83040), (2760, 80272), (2768, 80040), (2784, 79580), (2944, 75255), (3335, 66432), (3460, 64032), (3480, 63664), (3680, 60204), (3712, 59685), (3979, 55680), (4002, 55360), (4152, 53360), (4416, 50170), (4640, 47748), (5017, 44160), (5190, 42688), (5336, 41520), (5520, 40136), (5536, 40020), (5568, 39790), (6670, 33216), (6920, 32016), (6960, 31832), (7360, 30102), (7958, 27840), (8004, 27680), (8304, 26680), (8832, 25085), (9280, 23874), (10005, 22144), (10034, 22080), (10380, 21344), (10672, 20760), (11040, 20068), (11072, 20010), (11136, 19895), (11937, 18560), (13340, 16608), (13840, 16008), (13920, 15916), (14720, 15051)]