178123320

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{1259}}^1$

素因数の和:1410

約数の個数: 128

約数和(自身を含む): 598752000

約数和(自身を除く): 420628680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 131, 135, 180, 216, 262, 270, 360, 393, 524, 540, 655, 786, 1048, 1080, 1179, 1259, 1310, 1572, 1965, 2358, 2518, 2620, 3144, 3537, 3777, 3930, 4716, 5036, 5240, 5895, 6295, 7074, 7554, 7860, 9432, 10072, 11331, 11790, 12590, 14148, 15108, 15720, 17685, 18885, 22662, 23580, 25180, 28296, 30216, 33993, 35370, 37770, 45324, 47160, 50360, 56655, 67986, 70740, 75540, 90648, 113310, 135972, 141480, 151080, 164929, 169965, 226620, 271944, 329858, 339930, 453240, 494787, 659716, 679860, 824645, 989574, 1319432, 1359720, 1484361, 1649290, 1979148, 2473935, 2968722, 3298580, 3958296, 4453083, 4947870, 5937444, 6597160, 7421805, 8906166, 9895740, 11874888, 14843610, 17812332, 19791480, 22265415, 29687220, 35624664, 44530830, 59374440, 89061660, 178123320]

約数ペア:

[(1, 178123320), (2, 89061660), (3, 59374440), (4, 44530830), (5, 35624664), (6, 29687220), (8, 22265415), (9, 19791480), (10, 17812332), (12, 14843610), (15, 11874888), (18, 9895740), (20, 8906166), (24, 7421805), (27, 6597160), (30, 5937444), (36, 4947870), (40, 4453083), (45, 3958296), (54, 3298580), (60, 2968722), (72, 2473935), (90, 1979148), (108, 1649290), (120, 1484361), (131, 1359720), (135, 1319432), (180, 989574), (216, 824645), (262, 679860), (270, 659716), (360, 494787), (393, 453240), (524, 339930), (540, 329858), (655, 271944), (786, 226620), (1048, 169965), (1080, 164929), (1179, 151080), (1259, 141480), (1310, 135972), (1572, 113310), (1965, 90648), (2358, 75540), (2518, 70740), (2620, 67986), (3144, 56655), (3537, 50360), (3777, 47160), (3930, 45324), (4716, 37770), (5036, 35370), (5240, 33993), (5895, 30216), (6295, 28296), (7074, 25180), (7554, 23580), (7860, 22662), (9432, 18885), (10072, 17685), (11331, 15720), (11790, 15108), (12590, 14148)]