1820802240

素因数分解:

$2^6\times 3^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:581

約数の個数: 280

約数和(自身を含む): 6527901600

約数和(自身を除く): 4707099360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 81, 90, 96, 108, 120, 135, 144, 160, 162, 180, 192, 199, 216, 240, 270, 288, 320, 324, 353, 360, 398, 405, 432, 480, 540, 576, 597, 648, 706, 720, 796, 810, 864, 960, 995, 1059, 1080, 1194, 1296, 1412, 1440, 1592, 1620, 1728, 1765, 1791, 1990, 2118, 2160, 2388, 2592, 2824, 2880, 2985, 3177, 3184, 3240, 3530, 3582, 3980, 4236, 4320, 4776, 5184, 5295, 5373, 5648, 5970, 6354, 6368, 6480, 7060, 7164, 7960, 8472, 8640, 8955, 9531, 9552, 10590, 10746, 11296, 11940, 12708, 12736, 12960, 14120, 14328, 15885, 15920, 16119, 16944, 17910, 19062, 19104, 21180, 21492, 22592, 23880, 25416, 25920, 26865, 28240, 28593, 28656, 31770, 31840, 32238, 33888, 35820, 38124, 38208, 42360, 42984, 47655, 47760, 50832, 53730, 56480, 57186, 57312, 63540, 63680, 64476, 67776, 70247, 71640, 76248, 80595, 84720, 85968, 95310, 95520, 101664, 107460, 112960, 114372, 114624, 127080, 128952, 140494, 142965, 143280, 152496, 161190, 169440, 171936, 190620, 191040, 203328, 210741, 214920, 228744, 254160, 257904, 280988, 285930, 286560, 304992, 322380, 338880, 343872, 351235, 381240, 421482, 429840, 457488, 508320, 515808, 561976, 571860, 573120, 609984, 632223, 644760, 702470, 762480, 842964, 859680, 914976, 1016640, 1031616, 1053705, 1123952, 1143720, 1264446, 1289520, 1404940, 1524960, 1685928, 1719360, 1829952, 1896669, 2107410, 2247904, 2287440, 2528892, 2579040, 2809880, 3049920, 3161115, 3371856, 3793338, 4214820, 4495808, 4574880, 5057784, 5158080, 5619760, 5690007, 6322230, 6743712, 7586676, 8429640, 9149760, 9483345, 10115568, 11239520, 11380014, 12644460, 13487424, 15173352, 16859280, 18966690, 20231136, 22479040, 22760028, 25288920, 28450035, 30346704, 33718560, 37933380, 40462272, 45520056, 50577840, 56900070, 60693408, 67437120, 75866760, 91040112, 101155680, 113800140, 121386816, 151733520, 182080224, 202311360, 227600280, 303467040, 364160448, 455200560, 606934080, 910401120, 1820802240]

約数ペア:

[(1, 1820802240), (2, 910401120), (3, 606934080), (4, 455200560), (5, 364160448), (6, 303467040), (8, 227600280), (9, 202311360), (10, 182080224), (12, 151733520), (15, 121386816), (16, 113800140), (18, 101155680), (20, 91040112), (24, 75866760), (27, 67437120), (30, 60693408), (32, 56900070), (36, 50577840), (40, 45520056), (45, 40462272), (48, 37933380), (54, 33718560), (60, 30346704), (64, 28450035), (72, 25288920), (80, 22760028), (81, 22479040), (90, 20231136), (96, 18966690), (108, 16859280), (120, 15173352), (135, 13487424), (144, 12644460), (160, 11380014), (162, 11239520), (180, 10115568), (192, 9483345), (199, 9149760), (216, 8429640), (240, 7586676), (270, 6743712), (288, 6322230), (320, 5690007), (324, 5619760), (353, 5158080), (360, 5057784), (398, 4574880), (405, 4495808), (432, 4214820), (480, 3793338), (540, 3371856), (576, 3161115), (597, 3049920), (648, 2809880), (706, 2579040), (720, 2528892), (796, 2287440), (810, 2247904), (864, 2107410), (960, 1896669), (995, 1829952), (1059, 1719360), (1080, 1685928), (1194, 1524960), (1296, 1404940), (1412, 1289520), (1440, 1264446), (1592, 1143720), (1620, 1123952), (1728, 1053705), (1765, 1031616), (1791, 1016640), (1990, 914976), (2118, 859680), (2160, 842964), (2388, 762480), (2592, 702470), (2824, 644760), (2880, 632223), (2985, 609984), (3177, 573120), (3184, 571860), (3240, 561976), (3530, 515808), (3582, 508320), (3980, 457488), (4236, 429840), (4320, 421482), (4776, 381240), (5184, 351235), (5295, 343872), (5373, 338880), (5648, 322380), (5970, 304992), (6354, 286560), (6368, 285930), (6480, 280988), (7060, 257904), (7164, 254160), (7960, 228744), (8472, 214920), (8640, 210741), (8955, 203328), (9531, 191040), (9552, 190620), (10590, 171936), (10746, 169440), (11296, 161190), (11940, 152496), (12708, 143280), (12736, 142965), (12960, 140494), (14120, 128952), (14328, 127080), (15885, 114624), (15920, 114372), (16119, 112960), (16944, 107460), (17910, 101664), (19062, 95520), (19104, 95310), (21180, 85968), (21492, 84720), (22592, 80595), (23880, 76248), (25416, 71640), (25920, 70247), (26865, 67776), (28240, 64476), (28593, 63680), (28656, 63540), (31770, 57312), (31840, 57186), (32238, 56480), (33888, 53730), (35820, 50832), (38124, 47760), (38208, 47655), (42360, 42984)]