78821820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^3\times {\mathrm{47}}^1$

素因数の和:102

約数の個数: 288

約数和(自身を含む): 306948096

約数和(自身を除く): 228126276

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, 47, 55, 60, 63, 66, 70, 77, 84, 90, 94, 99, 105, 110, 121, 126, 132, 140, 141, 154, 165, 180, 188, 198, 210, 220, 231, 235, 242, 252, 282, 308, 315, 329, 330, 363, 385, 396, 420, 423, 462, 470, 484, 495, 517, 564, 605, 630, 658, 660, 693, 705, 726, 770, 846, 847, 924, 940, 987, 990, 1034, 1089, 1155, 1210, 1260, 1316, 1331, 1386, 1410, 1452, 1540, 1551, 1645, 1692, 1694, 1815, 1974, 1980, 2068, 2115, 2178, 2310, 2420, 2541, 2585, 2662, 2772, 2820, 2961, 3102, 3290, 3388, 3465, 3619, 3630, 3948, 3993, 4230, 4235, 4356, 4620, 4653, 4935, 5082, 5170, 5324, 5445, 5687, 5922, 6204, 6580, 6655, 6930, 7238, 7260, 7623, 7755, 7986, 8460, 8470, 9306, 9317, 9870, 10164, 10340, 10857, 10890, 11374, 11844, 11979, 12705, 13310, 13860, 14476, 14805, 15246, 15510, 15972, 16940, 17061, 18095, 18612, 18634, 19740, 19965, 21714, 21780, 22748, 23265, 23958, 25410, 26620, 27951, 28435, 29610, 30492, 31020, 32571, 34122, 36190, 37268, 38115, 39809, 39930, 43428, 46530, 46585, 47916, 50820, 51183, 54285, 55902, 56870, 59220, 59895, 62557, 65142, 68244, 72380, 76230, 79618, 79860, 83853, 85305, 93060, 93170, 102366, 108570, 111804, 113740, 119427, 119790, 125114, 130284, 139755, 152460, 159236, 162855, 167706, 170610, 186340, 187671, 199045, 204732, 217140, 238854, 239580, 250228, 255915, 279510, 312785, 325710, 335412, 341220, 358281, 375342, 398090, 419265, 437899, 477708, 511830, 559020, 563013, 597135, 625570, 651420, 716562, 750684, 796180, 838530, 875798, 938355, 1023660, 1126026, 1194270, 1251140, 1313697, 1433124, 1677060, 1751596, 1791405, 1876710, 2189495, 2252052, 2388540, 2627394, 2815065, 3582810, 3753420, 3941091, 4378990, 5254788, 5630130, 6568485, 7165620, 7882182, 8757980, 11260260, 13136970, 15764364, 19705455, 26273940, 39410910, 78821820]

約数ペア:

[(1, 78821820), (2, 39410910), (3, 26273940), (4, 19705455), (5, 15764364), (6, 13136970), (7, 11260260), (9, 8757980), (10, 7882182), (11, 7165620), (12, 6568485), (14, 5630130), (15, 5254788), (18, 4378990), (20, 3941091), (21, 3753420), (22, 3582810), (28, 2815065), (30, 2627394), (33, 2388540), (35, 2252052), (36, 2189495), (42, 1876710), (44, 1791405), (45, 1751596), (47, 1677060), (55, 1433124), (60, 1313697), (63, 1251140), (66, 1194270), (70, 1126026), (77, 1023660), (84, 938355), (90, 875798), (94, 838530), (99, 796180), (105, 750684), (110, 716562), (121, 651420), (126, 625570), (132, 597135), (140, 563013), (141, 559020), (154, 511830), (165, 477708), (180, 437899), (188, 419265), (198, 398090), (210, 375342), (220, 358281), (231, 341220), (235, 335412), (242, 325710), (252, 312785), (282, 279510), (308, 255915), (315, 250228), (329, 239580), (330, 238854), (363, 217140), (385, 204732), (396, 199045), (420, 187671), (423, 186340), (462, 170610), (470, 167706), (484, 162855), (495, 159236), (517, 152460), (564, 139755), (605, 130284), (630, 125114), (658, 119790), (660, 119427), (693, 113740), (705, 111804), (726, 108570), (770, 102366), (846, 93170), (847, 93060), (924, 85305), (940, 83853), (987, 79860), (990, 79618), (1034, 76230), (1089, 72380), (1155, 68244), (1210, 65142), (1260, 62557), (1316, 59895), (1331, 59220), (1386, 56870), (1410, 55902), (1452, 54285), (1540, 51183), (1551, 50820), (1645, 47916), (1692, 46585), (1694, 46530), (1815, 43428), (1974, 39930), (1980, 39809), (2068, 38115), (2115, 37268), (2178, 36190), (2310, 34122), (2420, 32571), (2541, 31020), (2585, 30492), (2662, 29610), (2772, 28435), (2820, 27951), (2961, 26620), (3102, 25410), (3290, 23958), (3388, 23265), (3465, 22748), (3619, 21780), (3630, 21714), (3948, 19965), (3993, 19740), (4230, 18634), (4235, 18612), (4356, 18095), (4620, 17061), (4653, 16940), (4935, 15972), (5082, 15510), (5170, 15246), (5324, 14805), (5445, 14476), (5687, 13860), (5922, 13310), (6204, 12705), (6580, 11979), (6655, 11844), (6930, 11374), (7238, 10890), (7260, 10857), (7623, 10340), (7755, 10164), (7986, 9870), (8460, 9317), (8470, 9306)]