18506275840

素因数分解:

$2^{10}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8969}}^1$

素因数の和:9038

約数の個数: 176

約数和(自身を含む): 49355953920

約数和(自身を除く): 30849678080

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 256, 260, 310, 320, 403, 416, 496, 512, 520, 620, 640, 806, 832, 992, 1024, 1040, 1240, 1280, 1612, 1664, 1984, 2015, 2080, 2480, 2560, 3224, 3328, 3968, 4030, 4160, 4960, 5120, 6448, 6656, 7936, 8060, 8320, 8969, 9920, 12896, 13312, 15872, 16120, 16640, 17938, 19840, 25792, 31744, 32240, 33280, 35876, 39680, 44845, 51584, 64480, 66560, 71752, 79360, 89690, 103168, 116597, 128960, 143504, 158720, 179380, 206336, 233194, 257920, 278039, 287008, 358760, 412672, 466388, 515840, 556078, 574016, 582985, 717520, 932776, 1031680, 1112156, 1148032, 1165970, 1390195, 1435040, 1865552, 2063360, 2224312, 2296064, 2331940, 2780390, 2870080, 3614507, 3731104, 4448624, 4592128, 4663880, 5560780, 5740160, 7229014, 7462208, 8897248, 9184256, 9327760, 11121560, 11480320, 14458028, 14924416, 17794496, 18072535, 18655520, 22243120, 22960640, 28916056, 29848832, 35588992, 36145070, 37311040, 44486240, 45921280, 57832112, 59697664, 71177984, 72290140, 74622080, 88972480, 115664224, 119395328, 142355968, 144580280, 149244160, 177944960, 231328448, 284711936, 289160560, 298488320, 355889920, 462656896, 578321120, 596976640, 711779840, 925313792, 1156642240, 1423559680, 1850627584, 2313284480, 3701255168, 4626568960, 9253137920, 18506275840]

約数ペア:

[(1, 18506275840), (2, 9253137920), (4, 4626568960), (5, 3701255168), (8, 2313284480), (10, 1850627584), (13, 1423559680), (16, 1156642240), (20, 925313792), (26, 711779840), (31, 596976640), (32, 578321120), (40, 462656896), (52, 355889920), (62, 298488320), (64, 289160560), (65, 284711936), (80, 231328448), (104, 177944960), (124, 149244160), (128, 144580280), (130, 142355968), (155, 119395328), (160, 115664224), (208, 88972480), (248, 74622080), (256, 72290140), (260, 71177984), (310, 59697664), (320, 57832112), (403, 45921280), (416, 44486240), (496, 37311040), (512, 36145070), (520, 35588992), (620, 29848832), (640, 28916056), (806, 22960640), (832, 22243120), (992, 18655520), (1024, 18072535), (1040, 17794496), (1240, 14924416), (1280, 14458028), (1612, 11480320), (1664, 11121560), (1984, 9327760), (2015, 9184256), (2080, 8897248), (2480, 7462208), (2560, 7229014), (3224, 5740160), (3328, 5560780), (3968, 4663880), (4030, 4592128), (4160, 4448624), (4960, 3731104), (5120, 3614507), (6448, 2870080), (6656, 2780390), (7936, 2331940), (8060, 2296064), (8320, 2224312), (8969, 2063360), (9920, 1865552), (12896, 1435040), (13312, 1390195), (15872, 1165970), (16120, 1148032), (16640, 1112156), (17938, 1031680), (19840, 932776), (25792, 717520), (31744, 582985), (32240, 574016), (33280, 556078), (35876, 515840), (39680, 466388), (44845, 412672), (51584, 358760), (64480, 287008), (66560, 278039), (71752, 257920), (79360, 233194), (89690, 206336), (103168, 179380), (116597, 158720), (128960, 143504)]