221740680

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:948

約数の個数: 192

約数和(自身を含む): 792728640

約数和(自身を除く): 570987960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 43, 49, 56, 60, 70, 84, 86, 98, 105, 120, 129, 140, 147, 168, 172, 196, 210, 215, 245, 258, 280, 294, 301, 344, 392, 420, 430, 490, 516, 588, 602, 645, 735, 840, 860, 877, 903, 980, 1032, 1176, 1204, 1290, 1470, 1505, 1720, 1754, 1806, 1960, 2107, 2408, 2580, 2631, 2940, 3010, 3508, 3612, 4214, 4385, 4515, 5160, 5262, 5880, 6020, 6139, 6321, 7016, 7224, 8428, 8770, 9030, 10524, 10535, 12040, 12278, 12642, 13155, 16856, 17540, 18060, 18417, 21048, 21070, 24556, 25284, 26310, 30695, 31605, 35080, 36120, 36834, 37711, 42140, 42973, 49112, 50568, 52620, 61390, 63210, 73668, 75422, 84280, 85946, 92085, 105240, 113133, 122780, 126420, 128919, 147336, 150844, 171892, 184170, 188555, 214865, 226266, 245560, 252840, 257838, 263977, 301688, 343784, 368340, 377110, 429730, 452532, 515676, 527954, 565665, 644595, 736680, 754220, 791931, 859460, 905064, 1031352, 1055908, 1131330, 1289190, 1319885, 1508440, 1583862, 1718920, 1847839, 2111816, 2262660, 2578380, 2639770, 3167724, 3695678, 3959655, 4525320, 5156760, 5279540, 5543517, 6335448, 7391356, 7919310, 9239195, 10559080, 11087034, 14782712, 15838620, 18478390, 22174068, 27717585, 31677240, 36956780, 44348136, 55435170, 73913560, 110870340, 221740680]

約数ペア:

[(1, 221740680), (2, 110870340), (3, 73913560), (4, 55435170), (5, 44348136), (6, 36956780), (7, 31677240), (8, 27717585), (10, 22174068), (12, 18478390), (14, 15838620), (15, 14782712), (20, 11087034), (21, 10559080), (24, 9239195), (28, 7919310), (30, 7391356), (35, 6335448), (40, 5543517), (42, 5279540), (43, 5156760), (49, 4525320), (56, 3959655), (60, 3695678), (70, 3167724), (84, 2639770), (86, 2578380), (98, 2262660), (105, 2111816), (120, 1847839), (129, 1718920), (140, 1583862), (147, 1508440), (168, 1319885), (172, 1289190), (196, 1131330), (210, 1055908), (215, 1031352), (245, 905064), (258, 859460), (280, 791931), (294, 754220), (301, 736680), (344, 644595), (392, 565665), (420, 527954), (430, 515676), (490, 452532), (516, 429730), (588, 377110), (602, 368340), (645, 343784), (735, 301688), (840, 263977), (860, 257838), (877, 252840), (903, 245560), (980, 226266), (1032, 214865), (1176, 188555), (1204, 184170), (1290, 171892), (1470, 150844), (1505, 147336), (1720, 128919), (1754, 126420), (1806, 122780), (1960, 113133), (2107, 105240), (2408, 92085), (2580, 85946), (2631, 84280), (2940, 75422), (3010, 73668), (3508, 63210), (3612, 61390), (4214, 52620), (4385, 50568), (4515, 49112), (5160, 42973), (5262, 42140), (5880, 37711), (6020, 36834), (6139, 36120), (6321, 35080), (7016, 31605), (7224, 30695), (8428, 26310), (8770, 25284), (9030, 24556), (10524, 21070), (10535, 21048), (12040, 18417), (12278, 18060), (12642, 17540), (13155, 16856)]