21257385120

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{29}}^2\times {\mathrm{5851}}^1$

素因数の和:5933

約数の個数: 288

約数和(自身を含む): 77068031040

約数和(自身を除く): 55810645920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 29, 30, 32, 36, 40, 45, 48, 54, 58, 60, 72, 80, 87, 90, 96, 108, 116, 120, 135, 144, 145, 160, 174, 180, 216, 232, 240, 261, 270, 288, 290, 348, 360, 432, 435, 464, 480, 522, 540, 580, 696, 720, 783, 841, 864, 870, 928, 1044, 1080, 1160, 1305, 1392, 1440, 1566, 1682, 1740, 2088, 2160, 2320, 2523, 2610, 2784, 3132, 3364, 3480, 3915, 4176, 4205, 4320, 4640, 5046, 5220, 5851, 6264, 6728, 6960, 7569, 7830, 8352, 8410, 10092, 10440, 11702, 12528, 12615, 13456, 13920, 15138, 15660, 16820, 17553, 20184, 20880, 22707, 23404, 25056, 25230, 26912, 29255, 30276, 31320, 33640, 35106, 37845, 40368, 41760, 45414, 46808, 50460, 52659, 58510, 60552, 62640, 67280, 70212, 75690, 80736, 87765, 90828, 93616, 100920, 105318, 113535, 117020, 121104, 125280, 134560, 140424, 151380, 157977, 169679, 175530, 181656, 187232, 201840, 210636, 227070, 234040, 242208, 263295, 280848, 302760, 315954, 339358, 351060, 363312, 403680, 421272, 454140, 468080, 509037, 526590, 561696, 605520, 631908, 678716, 702120, 726624, 789885, 842544, 848395, 908280, 936160, 1018074, 1053180, 1211040, 1263816, 1357432, 1404240, 1527111, 1579770, 1685088, 1696790, 1816560, 2036148, 2106360, 2527632, 2545185, 2714864, 2808480, 3054222, 3159540, 3393580, 3633120, 4072296, 4212720, 4581333, 4920691, 5055264, 5090370, 5429728, 6108444, 6319080, 6787160, 7635555, 8144592, 8425440, 9162666, 9841382, 10180740, 12216888, 12638160, 13574320, 14762073, 15271110, 16289184, 18325332, 19682764, 20361480, 22906665, 24433776, 24603455, 25276320, 27148640, 29524146, 30542220, 36650664, 39365528, 40722960, 44286219, 45813330, 48867552, 49206910, 59048292, 61084440, 73301328, 73810365, 78731056, 81445920, 88572438, 91626660, 98413820, 118096584, 122168880, 132858657, 146602656, 147620730, 157462112, 177144876, 183253320, 196827640, 221431095, 236193168, 244337760, 265717314, 295241460, 354289752, 366506640, 393655280, 442862190, 472386336, 531434628, 590482920, 664293285, 708579504, 733013280, 787310560, 885724380, 1062869256, 1180965840, 1328586570, 1417159008, 1771448760, 2125738512, 2361931680, 2657173140, 3542897520, 4251477024, 5314346280, 7085795040, 10628692560, 21257385120]

約数ペア:

[(1, 21257385120), (2, 10628692560), (3, 7085795040), (4, 5314346280), (5, 4251477024), (6, 3542897520), (8, 2657173140), (9, 2361931680), (10, 2125738512), (12, 1771448760), (15, 1417159008), (16, 1328586570), (18, 1180965840), (20, 1062869256), (24, 885724380), (27, 787310560), (29, 733013280), (30, 708579504), (32, 664293285), (36, 590482920), (40, 531434628), (45, 472386336), (48, 442862190), (54, 393655280), (58, 366506640), (60, 354289752), (72, 295241460), (80, 265717314), (87, 244337760), (90, 236193168), (96, 221431095), (108, 196827640), (116, 183253320), (120, 177144876), (135, 157462112), (144, 147620730), (145, 146602656), (160, 132858657), (174, 122168880), (180, 118096584), (216, 98413820), (232, 91626660), (240, 88572438), (261, 81445920), (270, 78731056), (288, 73810365), (290, 73301328), (348, 61084440), (360, 59048292), (432, 49206910), (435, 48867552), (464, 45813330), (480, 44286219), (522, 40722960), (540, 39365528), (580, 36650664), (696, 30542220), (720, 29524146), (783, 27148640), (841, 25276320), (864, 24603455), (870, 24433776), (928, 22906665), (1044, 20361480), (1080, 19682764), (1160, 18325332), (1305, 16289184), (1392, 15271110), (1440, 14762073), (1566, 13574320), (1682, 12638160), (1740, 12216888), (2088, 10180740), (2160, 9841382), (2320, 9162666), (2523, 8425440), (2610, 8144592), (2784, 7635555), (3132, 6787160), (3364, 6319080), (3480, 6108444), (3915, 5429728), (4176, 5090370), (4205, 5055264), (4320, 4920691), (4640, 4581333), (5046, 4212720), (5220, 4072296), (5851, 3633120), (6264, 3393580), (6728, 3159540), (6960, 3054222), (7569, 2808480), (7830, 2714864), (8352, 2545185), (8410, 2527632), (10092, 2106360), (10440, 2036148), (11702, 1816560), (12528, 1696790), (12615, 1685088), (13456, 1579770), (13920, 1527111), (15138, 1404240), (15660, 1357432), (16820, 1263816), (17553, 1211040), (20184, 1053180), (20880, 1018074), (22707, 936160), (23404, 908280), (25056, 848395), (25230, 842544), (26912, 789885), (29255, 726624), (30276, 702120), (31320, 678716), (33640, 631908), (35106, 605520), (37845, 561696), (40368, 526590), (41760, 509037), (45414, 468080), (46808, 454140), (50460, 421272), (52659, 403680), (58510, 363312), (60552, 351060), (62640, 339358), (67280, 315954), (70212, 302760), (75690, 280848), (80736, 263295), (87765, 242208), (90828, 234040), (93616, 227070), (100920, 210636), (105318, 201840), (113535, 187232), (117020, 181656), (121104, 175530), (125280, 169679), (134560, 157977), (140424, 151380)]