61345900

素因数分解:

$2^2\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1$

素因数の和:320

約数の個数: 144

約数和(自身を含む): 171988992

約数和(自身を除く): 110643092

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 25, 28, 31, 35, 44, 50, 55, 62, 70, 77, 100, 110, 124, 140, 154, 155, 175, 217, 220, 257, 275, 308, 310, 341, 350, 385, 434, 514, 550, 620, 682, 700, 770, 775, 868, 1028, 1085, 1100, 1285, 1364, 1540, 1550, 1705, 1799, 1925, 2170, 2387, 2570, 2827, 3100, 3410, 3598, 3850, 4340, 4774, 5140, 5425, 5654, 6425, 6820, 7196, 7700, 7967, 8525, 8995, 9548, 10850, 11308, 11935, 12850, 14135, 15934, 17050, 17990, 19789, 21700, 23870, 25700, 28270, 31868, 34100, 35980, 39578, 39835, 44975, 47740, 55769, 56540, 59675, 70675, 79156, 79670, 87637, 89950, 98945, 111538, 119350, 141350, 159340, 175274, 179900, 197890, 199175, 223076, 238700, 278845, 282700, 350548, 395780, 398350, 438185, 494725, 557690, 613459, 796700, 876370, 989450, 1115380, 1226918, 1394225, 1752740, 1978900, 2190925, 2453836, 2788450, 3067295, 4381850, 5576900, 6134590, 8763700, 12269180, 15336475, 30672950, 61345900]

約数ペア:

[(1, 61345900), (2, 30672950), (4, 15336475), (5, 12269180), (7, 8763700), (10, 6134590), (11, 5576900), (14, 4381850), (20, 3067295), (22, 2788450), (25, 2453836), (28, 2190925), (31, 1978900), (35, 1752740), (44, 1394225), (50, 1226918), (55, 1115380), (62, 989450), (70, 876370), (77, 796700), (100, 613459), (110, 557690), (124, 494725), (140, 438185), (154, 398350), (155, 395780), (175, 350548), (217, 282700), (220, 278845), (257, 238700), (275, 223076), (308, 199175), (310, 197890), (341, 179900), (350, 175274), (385, 159340), (434, 141350), (514, 119350), (550, 111538), (620, 98945), (682, 89950), (700, 87637), (770, 79670), (775, 79156), (868, 70675), (1028, 59675), (1085, 56540), (1100, 55769), (1285, 47740), (1364, 44975), (1540, 39835), (1550, 39578), (1705, 35980), (1799, 34100), (1925, 31868), (2170, 28270), (2387, 25700), (2570, 23870), (2827, 21700), (3100, 19789), (3410, 17990), (3598, 17050), (3850, 15934), (4340, 14135), (4774, 12850), (5140, 11935), (5425, 11308), (5654, 10850), (6425, 9548), (6820, 8995), (7196, 8525), (7700, 7967)]