42721140

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1321}}^1$

素因数の和:1358

約数の個数: 144

約数和(自身を含む): 151913664

約数和(自身を除く): 109192524

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 20, 21, 22, 28, 30, 33, 35, 42, 44, 49, 55, 60, 66, 70, 77, 84, 98, 105, 110, 132, 140, 147, 154, 165, 196, 210, 220, 231, 245, 294, 308, 330, 385, 420, 462, 490, 539, 588, 660, 735, 770, 924, 980, 1078, 1155, 1321, 1470, 1540, 1617, 2156, 2310, 2642, 2695, 2940, 3234, 3963, 4620, 5284, 5390, 6468, 6605, 7926, 8085, 9247, 10780, 13210, 14531, 15852, 16170, 18494, 19815, 26420, 27741, 29062, 32340, 36988, 39630, 43593, 46235, 55482, 58124, 64729, 72655, 79260, 87186, 92470, 101717, 110964, 129458, 138705, 145310, 174372, 184940, 194187, 203434, 217965, 258916, 277410, 290620, 305151, 323645, 388374, 406868, 435930, 508585, 554820, 610302, 647290, 712019, 776748, 871860, 970935, 1017170, 1220604, 1294580, 1424038, 1525755, 1941870, 2034340, 2136057, 2848076, 3051510, 3560095, 3883740, 4272114, 6103020, 7120190, 8544228, 10680285, 14240380, 21360570, 42721140]

約数ペア:

[(1, 42721140), (2, 21360570), (3, 14240380), (4, 10680285), (5, 8544228), (6, 7120190), (7, 6103020), (10, 4272114), (11, 3883740), (12, 3560095), (14, 3051510), (15, 2848076), (20, 2136057), (21, 2034340), (22, 1941870), (28, 1525755), (30, 1424038), (33, 1294580), (35, 1220604), (42, 1017170), (44, 970935), (49, 871860), (55, 776748), (60, 712019), (66, 647290), (70, 610302), (77, 554820), (84, 508585), (98, 435930), (105, 406868), (110, 388374), (132, 323645), (140, 305151), (147, 290620), (154, 277410), (165, 258916), (196, 217965), (210, 203434), (220, 194187), (231, 184940), (245, 174372), (294, 145310), (308, 138705), (330, 129458), (385, 110964), (420, 101717), (462, 92470), (490, 87186), (539, 79260), (588, 72655), (660, 64729), (735, 58124), (770, 55482), (924, 46235), (980, 43593), (1078, 39630), (1155, 36988), (1321, 32340), (1470, 29062), (1540, 27741), (1617, 26420), (2156, 19815), (2310, 18494), (2642, 16170), (2695, 15852), (2940, 14531), (3234, 13210), (3963, 10780), (4620, 9247), (5284, 8085), (5390, 7926), (6468, 6605)]