2018989980

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{1213}}^1\times {\mathrm{1321}}^1$

素因数の和:2556

約数の個数: 144

約数和(自身を含む): 7010238144

約数和(自身を除く): 4991248164

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1213, 1260, 1321, 2426, 2642, 3639, 3963, 4852, 5284, 6065, 6605, 7278, 7926, 8491, 9247, 10917, 11889, 12130, 13210, 14556, 15852, 16982, 18195, 18494, 19815, 21834, 23778, 24260, 25473, 26420, 27741, 33964, 36390, 36988, 39630, 42455, 43668, 46235, 47556, 50946, 54585, 55482, 59445, 72780, 76419, 79260, 83223, 84910, 92470, 101892, 109170, 110964, 118890, 127365, 138705, 152838, 166446, 169820, 184940, 218340, 237780, 254730, 277410, 305676, 332892, 382095, 416115, 509460, 554820, 764190, 832230, 1528380, 1602373, 1664460, 3204746, 4807119, 6409492, 8011865, 9614238, 11216611, 14421357, 16023730, 19228476, 22433222, 24035595, 28842714, 32047460, 33649833, 44866444, 48071190, 56083055, 57685428, 67299666, 72106785, 96142380, 100949499, 112166110, 134599332, 144213570, 168249165, 201898998, 224332220, 288427140, 336498330, 403797996, 504747495, 672996660, 1009494990, 2018989980]

約数ペア:

[(1, 2018989980), (2, 1009494990), (3, 672996660), (4, 504747495), (5, 403797996), (6, 336498330), (7, 288427140), (9, 224332220), (10, 201898998), (12, 168249165), (14, 144213570), (15, 134599332), (18, 112166110), (20, 100949499), (21, 96142380), (28, 72106785), (30, 67299666), (35, 57685428), (36, 56083055), (42, 48071190), (45, 44866444), (60, 33649833), (63, 32047460), (70, 28842714), (84, 24035595), (90, 22433222), (105, 19228476), (126, 16023730), (140, 14421357), (180, 11216611), (210, 9614238), (252, 8011865), (315, 6409492), (420, 4807119), (630, 3204746), (1213, 1664460), (1260, 1602373), (1321, 1528380), (2426, 832230), (2642, 764190), (3639, 554820), (3963, 509460), (4852, 416115), (5284, 382095), (6065, 332892), (6605, 305676), (7278, 277410), (7926, 254730), (8491, 237780), (9247, 218340), (10917, 184940), (11889, 169820), (12130, 166446), (13210, 152838), (14556, 138705), (15852, 127365), (16982, 118890), (18195, 110964), (18494, 109170), (19815, 101892), (21834, 92470), (23778, 84910), (24260, 83223), (25473, 79260), (26420, 76419), (27741, 72780), (33964, 59445), (36390, 55482), (36988, 54585), (39630, 50946), (42455, 47556), (43668, 46235)]