128859240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4493}}^1$

素因数の和:4746

約数の個数: 64

約数和(自身を含む): 388281600

約数和(自身を除く): 259422360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 239, 478, 717, 956, 1195, 1434, 1912, 2390, 2868, 3585, 4493, 4780, 5736, 7170, 8986, 9560, 13479, 14340, 17972, 22465, 26958, 28680, 35944, 44930, 53916, 67395, 89860, 107832, 134790, 179720, 269580, 539160, 1073827, 2147654, 3221481, 4295308, 5369135, 6442962, 8590616, 10738270, 12885924, 16107405, 21476540, 25771848, 32214810, 42953080, 64429620, 128859240]

約数ペア:

[(1, 128859240), (2, 64429620), (3, 42953080), (4, 32214810), (5, 25771848), (6, 21476540), (8, 16107405), (10, 12885924), (12, 10738270), (15, 8590616), (20, 6442962), (24, 5369135), (30, 4295308), (40, 3221481), (60, 2147654), (120, 1073827), (239, 539160), (478, 269580), (717, 179720), (956, 134790), (1195, 107832), (1434, 89860), (1912, 67395), (2390, 53916), (2868, 44930), (3585, 35944), (4493, 28680), (4780, 26958), (5736, 22465), (7170, 17972), (8986, 14340), (9560, 13479)]