21247321680

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{17597}}^1$

素因数の和:17675

約数の個数: 320

約数和(自身を含む): 80652337920

約数和(自身を除く): 59405016240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 36, 39, 40, 43, 45, 48, 52, 54, 60, 65, 72, 78, 80, 86, 90, 104, 108, 117, 120, 129, 130, 135, 144, 156, 172, 180, 195, 208, 215, 216, 234, 240, 258, 260, 270, 312, 344, 351, 360, 387, 390, 430, 432, 468, 516, 520, 540, 559, 585, 624, 645, 688, 702, 720, 774, 780, 860, 936, 1032, 1040, 1080, 1118, 1161, 1170, 1290, 1404, 1548, 1560, 1677, 1720, 1755, 1872, 1935, 2064, 2160, 2236, 2322, 2340, 2580, 2795, 2808, 3096, 3120, 3354, 3440, 3510, 3870, 4472, 4644, 4680, 5031, 5160, 5590, 5616, 5805, 6192, 6708, 7020, 7740, 8385, 8944, 9288, 9360, 10062, 10320, 11180, 11610, 13416, 14040, 15093, 15480, 16770, 17597, 18576, 20124, 22360, 23220, 25155, 26832, 28080, 30186, 30960, 33540, 35194, 40248, 44720, 46440, 50310, 52791, 60372, 67080, 70388, 75465, 80496, 87985, 92880, 100620, 105582, 120744, 134160, 140776, 150930, 158373, 175970, 201240, 211164, 228761, 241488, 263955, 281552, 301860, 316746, 351940, 402480, 422328, 457522, 475119, 527910, 603720, 633492, 686283, 703880, 756671, 791865, 844656, 915044, 950238, 1055820, 1143805, 1207440, 1266984, 1372566, 1407760, 1513342, 1583730, 1830088, 1900476, 2058849, 2111640, 2270013, 2287610, 2375595, 2533968, 2745132, 3026684, 3167460, 3431415, 3660176, 3783355, 3800952, 4117698, 4223280, 4540026, 4575220, 4751190, 5490264, 6053368, 6176547, 6334920, 6810039, 6862830, 7566710, 7601904, 8235396, 9080052, 9150440, 9502380, 9836723, 10294245, 10980528, 11350065, 12106736, 12353094, 12669840, 13620078, 13725660, 15133420, 16470792, 18160104, 18300880, 19004760, 19673446, 20430117, 20588490, 22700130, 24706188, 27240156, 27451320, 29510169, 30266840, 30882735, 32941584, 34050195, 36320208, 38009520, 39346892, 40860234, 41176980, 45400260, 49183615, 49412376, 54480312, 54902640, 59020338, 60533680, 61765470, 68100390, 78693784, 81720468, 82353960, 88530507, 90800520, 98367230, 98824752, 102150585, 108960624, 118040676, 123530940, 136200780, 147550845, 157387568, 163440936, 164707920, 177061014, 181601040, 196734460, 204301170, 236081352, 247061880, 265591521, 272401560, 295101690, 326881872, 354122028, 393468920, 408602340, 442652535, 472162704, 494123760, 531183042, 544803120, 590203380, 708244056, 786937840, 817204680, 885305070, 1062366084, 1180406760, 1327957605, 1416488112, 1634409360, 1770610140, 2124732168, 2360813520, 2655915210, 3541220280, 4249464336, 5311830420, 7082440560, 10623660840, 21247321680]

約数ペア:

[(1, 21247321680), (2, 10623660840), (3, 7082440560), (4, 5311830420), (5, 4249464336), (6, 3541220280), (8, 2655915210), (9, 2360813520), (10, 2124732168), (12, 1770610140), (13, 1634409360), (15, 1416488112), (16, 1327957605), (18, 1180406760), (20, 1062366084), (24, 885305070), (26, 817204680), (27, 786937840), (30, 708244056), (36, 590203380), (39, 544803120), (40, 531183042), (43, 494123760), (45, 472162704), (48, 442652535), (52, 408602340), (54, 393468920), (60, 354122028), (65, 326881872), (72, 295101690), (78, 272401560), (80, 265591521), (86, 247061880), (90, 236081352), (104, 204301170), (108, 196734460), (117, 181601040), (120, 177061014), (129, 164707920), (130, 163440936), (135, 157387568), (144, 147550845), (156, 136200780), (172, 123530940), (180, 118040676), (195, 108960624), (208, 102150585), (215, 98824752), (216, 98367230), (234, 90800520), (240, 88530507), (258, 82353960), (260, 81720468), (270, 78693784), (312, 68100390), (344, 61765470), (351, 60533680), (360, 59020338), (387, 54902640), (390, 54480312), (430, 49412376), (432, 49183615), (468, 45400260), (516, 41176980), (520, 40860234), (540, 39346892), (559, 38009520), (585, 36320208), (624, 34050195), (645, 32941584), (688, 30882735), (702, 30266840), (720, 29510169), (774, 27451320), (780, 27240156), (860, 24706188), (936, 22700130), (1032, 20588490), (1040, 20430117), (1080, 19673446), (1118, 19004760), (1161, 18300880), (1170, 18160104), (1290, 16470792), (1404, 15133420), (1548, 13725660), (1560, 13620078), (1677, 12669840), (1720, 12353094), (1755, 12106736), (1872, 11350065), (1935, 10980528), (2064, 10294245), (2160, 9836723), (2236, 9502380), (2322, 9150440), (2340, 9080052), (2580, 8235396), (2795, 7601904), (2808, 7566710), (3096, 6862830), (3120, 6810039), (3354, 6334920), (3440, 6176547), (3510, 6053368), (3870, 5490264), (4472, 4751190), (4644, 4575220), (4680, 4540026), (5031, 4223280), (5160, 4117698), (5590, 3800952), (5616, 3783355), (5805, 3660176), (6192, 3431415), (6708, 3167460), (7020, 3026684), (7740, 2745132), (8385, 2533968), (8944, 2375595), (9288, 2287610), (9360, 2270013), (10062, 2111640), (10320, 2058849), (11180, 1900476), (11610, 1830088), (13416, 1583730), (14040, 1513342), (15093, 1407760), (15480, 1372566), (16770, 1266984), (17597, 1207440), (18576, 1143805), (20124, 1055820), (22360, 950238), (23220, 915044), (25155, 844656), (26832, 791865), (28080, 756671), (30186, 703880), (30960, 686283), (33540, 633492), (35194, 603720), (40248, 527910), (44720, 475119), (46440, 457522), (50310, 422328), (52791, 402480), (60372, 351940), (67080, 316746), (70388, 301860), (75465, 281552), (80496, 263955), (87985, 241488), (92880, 228761), (100620, 211164), (105582, 201240), (120744, 175970), (134160, 158373), (140776, 150930)]