61861520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:437

約数の個数: 120

約数和(自身を含む): 171667584

約数和(自身を除く): 109806064

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 172, 196, 215, 245, 280, 301, 344, 367, 392, 430, 490, 560, 602, 688, 734, 784, 860, 980, 1204, 1468, 1505, 1720, 1835, 1960, 2107, 2408, 2569, 2936, 3010, 3440, 3670, 3920, 4214, 4816, 5138, 5872, 6020, 7340, 8428, 10276, 10535, 12040, 12845, 14680, 15781, 16856, 17983, 20552, 21070, 24080, 25690, 29360, 31562, 33712, 35966, 41104, 42140, 51380, 63124, 71932, 78905, 84280, 89915, 102760, 110467, 126248, 143864, 157810, 168560, 179830, 205520, 220934, 252496, 287728, 315620, 359660, 441868, 552335, 631240, 719320, 773269, 883736, 1104670, 1262480, 1438640, 1546538, 1767472, 2209340, 3093076, 3866345, 4418680, 6186152, 7732690, 8837360, 12372304, 15465380, 30930760, 61861520]

約数ペア:

[(1, 61861520), (2, 30930760), (4, 15465380), (5, 12372304), (7, 8837360), (8, 7732690), (10, 6186152), (14, 4418680), (16, 3866345), (20, 3093076), (28, 2209340), (35, 1767472), (40, 1546538), (43, 1438640), (49, 1262480), (56, 1104670), (70, 883736), (80, 773269), (86, 719320), (98, 631240), (112, 552335), (140, 441868), (172, 359660), (196, 315620), (215, 287728), (245, 252496), (280, 220934), (301, 205520), (344, 179830), (367, 168560), (392, 157810), (430, 143864), (490, 126248), (560, 110467), (602, 102760), (688, 89915), (734, 84280), (784, 78905), (860, 71932), (980, 63124), (1204, 51380), (1468, 42140), (1505, 41104), (1720, 35966), (1835, 33712), (1960, 31562), (2107, 29360), (2408, 25690), (2569, 24080), (2936, 21070), (3010, 20552), (3440, 17983), (3670, 16856), (3920, 15781), (4214, 14680), (4816, 12845), (5138, 12040), (5872, 10535), (6020, 10276), (7340, 8428)]