21652560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1$

素因数の和:126

約数の個数: 240

約数和(自身を含む): 80954640

約数和(自身を除く): 59302080

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 17, 18, 20, 24, 29, 30, 34, 36, 40, 45, 48, 51, 58, 60, 61, 68, 72, 80, 85, 87, 90, 102, 116, 120, 122, 136, 144, 145, 153, 170, 174, 180, 183, 204, 232, 240, 244, 255, 261, 272, 290, 305, 306, 340, 348, 360, 366, 408, 435, 464, 488, 493, 510, 522, 549, 580, 610, 612, 680, 696, 720, 732, 765, 816, 870, 915, 976, 986, 1020, 1037, 1044, 1098, 1160, 1220, 1224, 1305, 1360, 1392, 1464, 1479, 1530, 1740, 1769, 1830, 1972, 2040, 2074, 2088, 2196, 2320, 2440, 2448, 2465, 2610, 2745, 2928, 2958, 3060, 3111, 3480, 3538, 3660, 3944, 4080, 4148, 4176, 4392, 4437, 4880, 4930, 5185, 5220, 5307, 5490, 5916, 6120, 6222, 6960, 7076, 7320, 7395, 7888, 8296, 8784, 8845, 8874, 9333, 9860, 10370, 10440, 10614, 10980, 11832, 12240, 12444, 14152, 14640, 14790, 15555, 15921, 16592, 17690, 17748, 18666, 19720, 20740, 20880, 21228, 21960, 22185, 23664, 24888, 26535, 28304, 29580, 30073, 31110, 31842, 35380, 35496, 37332, 39440, 41480, 42456, 43920, 44370, 46665, 49776, 53070, 59160, 60146, 62220, 63684, 70760, 70992, 74664, 79605, 82960, 84912, 88740, 90219, 93330, 106140, 118320, 120292, 124440, 127368, 141520, 149328, 150365, 159210, 177480, 180438, 186660, 212280, 240584, 248880, 254736, 270657, 300730, 318420, 354960, 360876, 373320, 424560, 451095, 481168, 541314, 601460, 636840, 721752, 746640, 902190, 1082628, 1202920, 1273680, 1353285, 1443504, 1804380, 2165256, 2405840, 2706570, 3608760, 4330512, 5413140, 7217520, 10826280, 21652560]

約数ペア:

[(1, 21652560), (2, 10826280), (3, 7217520), (4, 5413140), (5, 4330512), (6, 3608760), (8, 2706570), (9, 2405840), (10, 2165256), (12, 1804380), (15, 1443504), (16, 1353285), (17, 1273680), (18, 1202920), (20, 1082628), (24, 902190), (29, 746640), (30, 721752), (34, 636840), (36, 601460), (40, 541314), (45, 481168), (48, 451095), (51, 424560), (58, 373320), (60, 360876), (61, 354960), (68, 318420), (72, 300730), (80, 270657), (85, 254736), (87, 248880), (90, 240584), (102, 212280), (116, 186660), (120, 180438), (122, 177480), (136, 159210), (144, 150365), (145, 149328), (153, 141520), (170, 127368), (174, 124440), (180, 120292), (183, 118320), (204, 106140), (232, 93330), (240, 90219), (244, 88740), (255, 84912), (261, 82960), (272, 79605), (290, 74664), (305, 70992), (306, 70760), (340, 63684), (348, 62220), (360, 60146), (366, 59160), (408, 53070), (435, 49776), (464, 46665), (488, 44370), (493, 43920), (510, 42456), (522, 41480), (549, 39440), (580, 37332), (610, 35496), (612, 35380), (680, 31842), (696, 31110), (720, 30073), (732, 29580), (765, 28304), (816, 26535), (870, 24888), (915, 23664), (976, 22185), (986, 21960), (1020, 21228), (1037, 20880), (1044, 20740), (1098, 19720), (1160, 18666), (1220, 17748), (1224, 17690), (1305, 16592), (1360, 15921), (1392, 15555), (1464, 14790), (1479, 14640), (1530, 14152), (1740, 12444), (1769, 12240), (1830, 11832), (1972, 10980), (2040, 10614), (2074, 10440), (2088, 10370), (2196, 9860), (2320, 9333), (2440, 8874), (2448, 8845), (2465, 8784), (2610, 8296), (2745, 7888), (2928, 7395), (2958, 7320), (3060, 7076), (3111, 6960), (3480, 6222), (3538, 6120), (3660, 5916), (3944, 5490), (4080, 5307), (4148, 5220), (4176, 5185), (4392, 4930), (4437, 4880)]