72649360

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{431}}^1$

素因数の和:501

約数の個数: 120

約数和(自身を含む): 201522816

約数和(自身を除く): 128873456

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, 392, 430, 431, 490, 560, 602, 688, 784, 860, 862, 980, 1204, 1505, 1720, 1724, 1960, 2107, 2155, 2408, 3010, 3017, 3440, 3448, 3920, 4214, 4310, 4816, 6020, 6034, 6896, 8428, 8620, 10535, 12040, 12068, 15085, 16856, 17240, 18533, 21070, 21119, 24080, 24136, 30170, 33712, 34480, 37066, 42140, 42238, 48272, 60340, 74132, 84280, 84476, 92665, 105595, 120680, 129731, 148264, 168560, 168952, 185330, 211190, 241360, 259462, 296528, 337904, 370660, 422380, 518924, 648655, 741320, 844760, 908117, 1037848, 1297310, 1482640, 1689520, 1816234, 2075696, 2594620, 3632468, 4540585, 5189240, 7264936, 9081170, 10378480, 14529872, 18162340, 36324680, 72649360]

約数ペア:

[(1, 72649360), (2, 36324680), (4, 18162340), (5, 14529872), (7, 10378480), (8, 9081170), (10, 7264936), (14, 5189240), (16, 4540585), (20, 3632468), (28, 2594620), (35, 2075696), (40, 1816234), (43, 1689520), (49, 1482640), (56, 1297310), (70, 1037848), (80, 908117), (86, 844760), (98, 741320), (112, 648655), (140, 518924), (172, 422380), (196, 370660), (215, 337904), (245, 296528), (280, 259462), (301, 241360), (344, 211190), (392, 185330), (430, 168952), (431, 168560), (490, 148264), (560, 129731), (602, 120680), (688, 105595), (784, 92665), (860, 84476), (862, 84280), (980, 74132), (1204, 60340), (1505, 48272), (1720, 42238), (1724, 42140), (1960, 37066), (2107, 34480), (2155, 33712), (2408, 30170), (3010, 24136), (3017, 24080), (3440, 21119), (3448, 21070), (3920, 18533), (4214, 17240), (4310, 16856), (4816, 15085), (6020, 12068), (6034, 12040), (6896, 10535), (8428, 8620)]