128163420

素因数分解:

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

素因数の和:1361

約数の個数: 216

約数和(自身を含む): 493719408

約数和(自身を除く): 365555988

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 14, 15, 18, 20, 21, 22, 28, 30, 33, 35, 36, 42, 44, 45, 49, 55, 60, 63, 66, 70, 77, 84, 90, 98, 99, 105, 110, 126, 132, 140, 147, 154, 165, 180, 196, 198, 210, 220, 231, 245, 252, 294, 308, 315, 330, 385, 396, 420, 441, 462, 490, 495, 539, 588, 630, 660, 693, 735, 770, 882, 924, 980, 990, 1078, 1155, 1260, 1321, 1386, 1470, 1540, 1617, 1764, 1980, 2156, 2205, 2310, 2642, 2695, 2772, 2940, 3234, 3465, 3963, 4410, 4620, 4851, 5284, 5390, 6468, 6605, 6930, 7926, 8085, 8820, 9247, 9702, 10780, 11889, 13210, 13860, 14531, 15852, 16170, 18494, 19404, 19815, 23778, 24255, 26420, 27741, 29062, 32340, 36988, 39630, 43593, 46235, 47556, 48510, 55482, 58124, 59445, 64729, 72655, 79260, 83223, 87186, 92470, 97020, 101717, 110964, 118890, 129458, 130779, 138705, 145310, 166446, 174372, 184940, 194187, 203434, 217965, 237780, 258916, 261558, 277410, 290620, 305151, 323645, 332892, 388374, 406868, 416115, 435930, 508585, 523116, 554820, 582561, 610302, 647290, 653895, 712019, 776748, 832230, 871860, 915453, 970935, 1017170, 1165122, 1220604, 1294580, 1307790, 1424038, 1525755, 1664460, 1830906, 1941870, 2034340, 2136057, 2330244, 2615580, 2848076, 2912805, 3051510, 3560095, 3661812, 3883740, 4272114, 4577265, 5825610, 6103020, 6408171, 7120190, 8544228, 9154530, 10680285, 11651220, 12816342, 14240380, 18309060, 21360570, 25632684, 32040855, 42721140, 64081710, 128163420]

約数ペア:

[(1, 128163420), (2, 64081710), (3, 42721140), (4, 32040855), (5, 25632684), (6, 21360570), (7, 18309060), (9, 14240380), (10, 12816342), (11, 11651220), (12, 10680285), (14, 9154530), (15, 8544228), (18, 7120190), (20, 6408171), (21, 6103020), (22, 5825610), (28, 4577265), (30, 4272114), (33, 3883740), (35, 3661812), (36, 3560095), (42, 3051510), (44, 2912805), (45, 2848076), (49, 2615580), (55, 2330244), (60, 2136057), (63, 2034340), (66, 1941870), (70, 1830906), (77, 1664460), (84, 1525755), (90, 1424038), (98, 1307790), (99, 1294580), (105, 1220604), (110, 1165122), (126, 1017170), (132, 970935), (140, 915453), (147, 871860), (154, 832230), (165, 776748), (180, 712019), (196, 653895), (198, 647290), (210, 610302), (220, 582561), (231, 554820), (245, 523116), (252, 508585), (294, 435930), (308, 416115), (315, 406868), (330, 388374), (385, 332892), (396, 323645), (420, 305151), (441, 290620), (462, 277410), (490, 261558), (495, 258916), (539, 237780), (588, 217965), (630, 203434), (660, 194187), (693, 184940), (735, 174372), (770, 166446), (882, 145310), (924, 138705), (980, 130779), (990, 129458), (1078, 118890), (1155, 110964), (1260, 101717), (1321, 97020), (1386, 92470), (1470, 87186), (1540, 83223), (1617, 79260), (1764, 72655), (1980, 64729), (2156, 59445), (2205, 58124), (2310, 55482), (2642, 48510), (2695, 47556), (2772, 46235), (2940, 43593), (3234, 39630), (3465, 36988), (3963, 32340), (4410, 29062), (4620, 27741), (4851, 26420), (5284, 24255), (5390, 23778), (6468, 19815), (6605, 19404), (6930, 18494), (7926, 16170), (8085, 15852), (8820, 14531), (9247, 13860), (9702, 13210), (10780, 11889)]