123238720

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:408

約数の個数: 112

約数和(自身を含む): 323624448

約数和(自身を除く): 200385728

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 157, 160, 176, 220, 223, 314, 320, 352, 440, 446, 628, 704, 785, 880, 892, 1115, 1256, 1570, 1727, 1760, 1784, 2230, 2453, 2512, 3140, 3454, 3520, 3568, 4460, 4906, 5024, 6280, 6908, 7136, 8635, 8920, 9812, 10048, 12265, 12560, 13816, 14272, 17270, 17840, 19624, 24530, 25120, 27632, 34540, 35011, 35680, 39248, 49060, 50240, 55264, 69080, 70022, 71360, 78496, 98120, 110528, 138160, 140044, 156992, 175055, 196240, 276320, 280088, 350110, 385121, 392480, 552640, 560176, 700220, 770242, 784960, 1120352, 1400440, 1540484, 1925605, 2240704, 2800880, 3080968, 3851210, 5601760, 6161936, 7702420, 11203520, 12323872, 15404840, 24647744, 30809680, 61619360, 123238720]

約数ペア:

[(1, 123238720), (2, 61619360), (4, 30809680), (5, 24647744), (8, 15404840), (10, 12323872), (11, 11203520), (16, 7702420), (20, 6161936), (22, 5601760), (32, 3851210), (40, 3080968), (44, 2800880), (55, 2240704), (64, 1925605), (80, 1540484), (88, 1400440), (110, 1120352), (157, 784960), (160, 770242), (176, 700220), (220, 560176), (223, 552640), (314, 392480), (320, 385121), (352, 350110), (440, 280088), (446, 276320), (628, 196240), (704, 175055), (785, 156992), (880, 140044), (892, 138160), (1115, 110528), (1256, 98120), (1570, 78496), (1727, 71360), (1760, 70022), (1784, 69080), (2230, 55264), (2453, 50240), (2512, 49060), (3140, 39248), (3454, 35680), (3520, 35011), (3568, 34540), (4460, 27632), (4906, 25120), (5024, 24530), (6280, 19624), (6908, 17840), (7136, 17270), (8635, 14272), (8920, 13816), (9812, 12560), (10048, 12265)]