120281720

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^1$

素因数の和:249

約数の個数: 128

約数和(自身を含む): 310262400

約数和(自身を除く): 189980680

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 23, 26, 40, 46, 52, 65, 89, 92, 104, 113, 115, 130, 178, 184, 226, 230, 260, 299, 356, 445, 452, 460, 520, 565, 598, 712, 890, 904, 920, 1130, 1157, 1196, 1469, 1495, 1780, 2047, 2260, 2314, 2392, 2599, 2938, 2990, 3560, 4094, 4520, 4628, 5198, 5785, 5876, 5980, 7345, 8188, 9256, 10057, 10235, 10396, 11570, 11752, 11960, 12995, 14690, 16376, 20114, 20470, 20792, 23140, 25990, 26611, 29380, 33787, 40228, 40940, 46280, 50285, 51980, 53222, 58760, 67574, 80456, 81880, 100570, 103960, 106444, 130741, 133055, 135148, 168935, 201140, 212888, 231311, 261482, 266110, 270296, 337870, 402280, 462622, 522964, 532220, 653705, 675740, 925244, 1045928, 1064440, 1156555, 1307410, 1351480, 1850488, 2313110, 2614820, 3007043, 4626220, 5229640, 6014086, 9252440, 12028172, 15035215, 24056344, 30070430, 60140860, 120281720]

約数ペア:

[(1, 120281720), (2, 60140860), (4, 30070430), (5, 24056344), (8, 15035215), (10, 12028172), (13, 9252440), (20, 6014086), (23, 5229640), (26, 4626220), (40, 3007043), (46, 2614820), (52, 2313110), (65, 1850488), (89, 1351480), (92, 1307410), (104, 1156555), (113, 1064440), (115, 1045928), (130, 925244), (178, 675740), (184, 653705), (226, 532220), (230, 522964), (260, 462622), (299, 402280), (356, 337870), (445, 270296), (452, 266110), (460, 261482), (520, 231311), (565, 212888), (598, 201140), (712, 168935), (890, 135148), (904, 133055), (920, 130741), (1130, 106444), (1157, 103960), (1196, 100570), (1469, 81880), (1495, 80456), (1780, 67574), (2047, 58760), (2260, 53222), (2314, 51980), (2392, 50285), (2599, 46280), (2938, 40940), (2990, 40228), (3560, 33787), (4094, 29380), (4520, 26611), (4628, 25990), (5198, 23140), (5785, 20792), (5876, 20470), (5980, 20114), (7345, 16376), (8188, 14690), (9256, 12995), (10057, 11960), (10235, 11752), (10396, 11570)]