991644160

素因数分解:

$2^9\times 5^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 160

約数和(自身を含む): 2598583680

約数和(自身を除く): 1606939520

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 83, 104, 128, 130, 160, 166, 208, 256, 260, 320, 332, 359, 415, 416, 512, 520, 640, 664, 718, 830, 832, 1040, 1079, 1280, 1328, 1436, 1660, 1664, 1795, 2080, 2158, 2560, 2656, 2872, 3320, 3328, 3590, 4160, 4316, 4667, 5312, 5395, 5744, 6640, 6656, 7180, 8320, 8632, 9334, 10624, 10790, 11488, 13280, 14360, 16640, 17264, 18668, 21248, 21580, 22976, 23335, 26560, 28720, 29797, 33280, 34528, 37336, 42496, 43160, 45952, 46670, 53120, 57440, 59594, 69056, 74672, 86320, 91904, 93340, 106240, 114880, 119188, 138112, 148985, 149344, 172640, 183808, 186680, 212480, 229760, 238376, 276224, 297970, 298688, 345280, 373360, 387361, 459520, 476752, 552448, 595940, 597376, 690560, 746720, 774722, 919040, 953504, 1191880, 1194752, 1381120, 1493440, 1549444, 1907008, 1936805, 2383760, 2389504, 2762240, 2986880, 3098888, 3814016, 3873610, 4767520, 5973760, 6197776, 7628032, 7747220, 9535040, 11947520, 12395552, 15256064, 15494440, 19070080, 24791104, 30988880, 38140160, 49582208, 61977760, 76280320, 99164416, 123955520, 198328832, 247911040, 495822080, 991644160]

約数ペア:

[(1, 991644160), (2, 495822080), (4, 247911040), (5, 198328832), (8, 123955520), (10, 99164416), (13, 76280320), (16, 61977760), (20, 49582208), (26, 38140160), (32, 30988880), (40, 24791104), (52, 19070080), (64, 15494440), (65, 15256064), (80, 12395552), (83, 11947520), (104, 9535040), (128, 7747220), (130, 7628032), (160, 6197776), (166, 5973760), (208, 4767520), (256, 3873610), (260, 3814016), (320, 3098888), (332, 2986880), (359, 2762240), (415, 2389504), (416, 2383760), (512, 1936805), (520, 1907008), (640, 1549444), (664, 1493440), (718, 1381120), (830, 1194752), (832, 1191880), (1040, 953504), (1079, 919040), (1280, 774722), (1328, 746720), (1436, 690560), (1660, 597376), (1664, 595940), (1795, 552448), (2080, 476752), (2158, 459520), (2560, 387361), (2656, 373360), (2872, 345280), (3320, 298688), (3328, 297970), (3590, 276224), (4160, 238376), (4316, 229760), (4667, 212480), (5312, 186680), (5395, 183808), (5744, 172640), (6640, 149344), (6656, 148985), (7180, 138112), (8320, 119188), (8632, 114880), (9334, 106240), (10624, 93340), (10790, 91904), (11488, 86320), (13280, 74672), (14360, 69056), (16640, 59594), (17264, 57440), (18668, 53120), (21248, 46670), (21580, 45952), (22976, 43160), (23335, 42496), (26560, 37336), (28720, 34528), (29797, 33280)]