638399040

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{997}}^1$

素因数の和:1069

約数の個数: 224

約数和(自身を含む): 2190170880

約数和(自身を除く): 1551771840

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, 138, 145, 160, 174, 184, 192, 230, 232, 240, 276, 290, 320, 345, 348, 368, 435, 460, 464, 480, 552, 580, 667, 690, 696, 736, 870, 920, 928, 960, 997, 1104, 1160, 1334, 1380, 1392, 1472, 1740, 1840, 1856, 1994, 2001, 2208, 2320, 2668, 2760, 2784, 2991, 3335, 3480, 3680, 3988, 4002, 4416, 4640, 4985, 5336, 5520, 5568, 5982, 6670, 6960, 7360, 7976, 8004, 9280, 9970, 10005, 10672, 11040, 11964, 13340, 13920, 14955, 15952, 16008, 19940, 20010, 21344, 22080, 22931, 23928, 26680, 27840, 28913, 29910, 31904, 32016, 39880, 40020, 42688, 45862, 47856, 53360, 57826, 59820, 63808, 64032, 68793, 79760, 80040, 86739, 91724, 95712, 106720, 114655, 115652, 119640, 128064, 137586, 144565, 159520, 160080, 173478, 183448, 191424, 213440, 229310, 231304, 239280, 275172, 289130, 319040, 320160, 343965, 346956, 366896, 433695, 458620, 462608, 478560, 550344, 578260, 640320, 664999, 687930, 693912, 733792, 867390, 917240, 925216, 957120, 1100688, 1156520, 1329998, 1375860, 1387824, 1467584, 1734780, 1834480, 1850432, 1994997, 2201376, 2313040, 2659996, 2751720, 2775648, 3324995, 3469560, 3668960, 3989994, 4402752, 4626080, 5319992, 5503440, 5551296, 6649990, 6939120, 7337920, 7979988, 9252160, 9974985, 10639984, 11006880, 13299980, 13878240, 15959976, 19949970, 21279968, 22013760, 26599960, 27756480, 31919952, 39899940, 42559936, 53199920, 63839904, 79799880, 106399840, 127679808, 159599760, 212799680, 319199520, 638399040]

約数ペア:

[(1, 638399040), (2, 319199520), (3, 212799680), (4, 159599760), (5, 127679808), (6, 106399840), (8, 79799880), (10, 63839904), (12, 53199920), (15, 42559936), (16, 39899940), (20, 31919952), (23, 27756480), (24, 26599960), (29, 22013760), (30, 21279968), (32, 19949970), (40, 15959976), (46, 13878240), (48, 13299980), (58, 11006880), (60, 10639984), (64, 9974985), (69, 9252160), (80, 7979988), (87, 7337920), (92, 6939120), (96, 6649990), (115, 5551296), (116, 5503440), (120, 5319992), (138, 4626080), (145, 4402752), (160, 3989994), (174, 3668960), (184, 3469560), (192, 3324995), (230, 2775648), (232, 2751720), (240, 2659996), (276, 2313040), (290, 2201376), (320, 1994997), (345, 1850432), (348, 1834480), (368, 1734780), (435, 1467584), (460, 1387824), (464, 1375860), (480, 1329998), (552, 1156520), (580, 1100688), (667, 957120), (690, 925216), (696, 917240), (736, 867390), (870, 733792), (920, 693912), (928, 687930), (960, 664999), (997, 640320), (1104, 578260), (1160, 550344), (1334, 478560), (1380, 462608), (1392, 458620), (1472, 433695), (1740, 366896), (1840, 346956), (1856, 343965), (1994, 320160), (2001, 319040), (2208, 289130), (2320, 275172), (2668, 239280), (2760, 231304), (2784, 229310), (2991, 213440), (3335, 191424), (3480, 183448), (3680, 173478), (3988, 160080), (4002, 159520), (4416, 144565), (4640, 137586), (4985, 128064), (5336, 119640), (5520, 115652), (5568, 114655), (5982, 106720), (6670, 95712), (6960, 91724), (7360, 86739), (7976, 80040), (8004, 79760), (9280, 68793), (9970, 64032), (10005, 63808), (10672, 59820), (11040, 57826), (11964, 53360), (13340, 47856), (13920, 45862), (14955, 42688), (15952, 40020), (16008, 39880), (19940, 32016), (20010, 31904), (21344, 29910), (22080, 28913), (22931, 27840), (23928, 26680)]