61018720

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:253

約数の個数: 144

約数和(自身を含む): 172540368

約数和(自身を除く): 111521648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 49, 56, 70, 80, 86, 98, 112, 140, 160, 172, 181, 196, 215, 224, 245, 280, 301, 344, 362, 392, 430, 490, 560, 602, 688, 724, 784, 860, 905, 980, 1120, 1204, 1267, 1376, 1448, 1505, 1568, 1720, 1810, 1960, 2107, 2408, 2534, 2896, 3010, 3440, 3620, 3920, 4214, 4816, 5068, 5792, 6020, 6335, 6880, 7240, 7783, 7840, 8428, 8869, 9632, 10136, 10535, 12040, 12670, 14480, 15566, 16856, 17738, 20272, 21070, 24080, 25340, 28960, 31132, 33712, 35476, 38915, 40544, 42140, 44345, 48160, 50680, 54481, 62264, 67424, 70952, 77830, 84280, 88690, 101360, 108962, 124528, 141904, 155660, 168560, 177380, 202720, 217924, 249056, 272405, 283808, 311320, 337120, 354760, 381367, 435848, 544810, 622640, 709520, 762734, 871696, 1089620, 1245280, 1419040, 1525468, 1743392, 1906835, 2179240, 3050936, 3813670, 4358480, 6101872, 7627340, 8716960, 12203744, 15254680, 30509360, 61018720]

約数ペア:

[(1, 61018720), (2, 30509360), (4, 15254680), (5, 12203744), (7, 8716960), (8, 7627340), (10, 6101872), (14, 4358480), (16, 3813670), (20, 3050936), (28, 2179240), (32, 1906835), (35, 1743392), (40, 1525468), (43, 1419040), (49, 1245280), (56, 1089620), (70, 871696), (80, 762734), (86, 709520), (98, 622640), (112, 544810), (140, 435848), (160, 381367), (172, 354760), (181, 337120), (196, 311320), (215, 283808), (224, 272405), (245, 249056), (280, 217924), (301, 202720), (344, 177380), (362, 168560), (392, 155660), (430, 141904), (490, 124528), (560, 108962), (602, 101360), (688, 88690), (724, 84280), (784, 77830), (860, 70952), (905, 67424), (980, 62264), (1120, 54481), (1204, 50680), (1267, 48160), (1376, 44345), (1448, 42140), (1505, 40544), (1568, 38915), (1720, 35476), (1810, 33712), (1960, 31132), (2107, 28960), (2408, 25340), (2534, 24080), (2896, 21070), (3010, 20272), (3440, 17738), (3620, 16856), (3920, 15566), (4214, 14480), (4816, 12670), (5068, 12040), (5792, 10535), (6020, 10136), (6335, 9632), (6880, 8869), (7240, 8428), (7783, 7840)]