123438720

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{269}}^1$

素因数の和:530

約数の個数: 128

約数和(自身を含む): 396576000

約数和(自身を除く): 273137280

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 239, 240, 269, 320, 384, 478, 480, 538, 640, 717, 807, 956, 960, 1076, 1195, 1345, 1434, 1614, 1912, 1920, 2152, 2390, 2690, 2868, 3228, 3585, 3824, 4035, 4304, 4780, 5380, 5736, 6456, 7170, 7648, 8070, 8608, 9560, 10760, 11472, 12912, 14340, 15296, 16140, 17216, 19120, 21520, 22944, 25824, 28680, 30592, 32280, 34432, 38240, 43040, 45888, 51648, 57360, 64291, 64560, 76480, 86080, 91776, 103296, 114720, 128582, 129120, 152960, 172160, 192873, 229440, 257164, 258240, 321455, 385746, 458880, 514328, 516480, 642910, 771492, 964365, 1028656, 1285820, 1542984, 1928730, 2057312, 2571640, 3085968, 3857460, 4114624, 5143280, 6171936, 7714920, 8229248, 10286560, 12343872, 15429840, 20573120, 24687744, 30859680, 41146240, 61719360, 123438720]

約数ペア:

[(1, 123438720), (2, 61719360), (3, 41146240), (4, 30859680), (5, 24687744), (6, 20573120), (8, 15429840), (10, 12343872), (12, 10286560), (15, 8229248), (16, 7714920), (20, 6171936), (24, 5143280), (30, 4114624), (32, 3857460), (40, 3085968), (48, 2571640), (60, 2057312), (64, 1928730), (80, 1542984), (96, 1285820), (120, 1028656), (128, 964365), (160, 771492), (192, 642910), (239, 516480), (240, 514328), (269, 458880), (320, 385746), (384, 321455), (478, 258240), (480, 257164), (538, 229440), (640, 192873), (717, 172160), (807, 152960), (956, 129120), (960, 128582), (1076, 114720), (1195, 103296), (1345, 91776), (1434, 86080), (1614, 76480), (1912, 64560), (1920, 64291), (2152, 57360), (2390, 51648), (2690, 45888), (2868, 43040), (3228, 38240), (3585, 34432), (3824, 32280), (4035, 30592), (4304, 28680), (4780, 25824), (5380, 22944), (5736, 21520), (6456, 19120), (7170, 17216), (7648, 16140), (8070, 15296), (8608, 14340), (9560, 12912), (10760, 11472)]