1819921680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{2027}}^1$

素因数の和:2118

約数の個数: 240

約数和(自身を含む): 6472889280

約数和(自身を除く): 4652967600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 29, 30, 36, 40, 43, 45, 48, 58, 60, 72, 80, 86, 87, 90, 116, 120, 129, 144, 145, 172, 174, 180, 215, 232, 240, 258, 261, 290, 344, 348, 360, 387, 430, 435, 464, 516, 522, 580, 645, 688, 696, 720, 774, 860, 870, 1032, 1044, 1160, 1247, 1290, 1305, 1392, 1548, 1720, 1740, 1935, 2027, 2064, 2088, 2320, 2494, 2580, 2610, 3096, 3440, 3480, 3741, 3870, 4054, 4176, 4988, 5160, 5220, 6081, 6192, 6235, 6960, 7482, 7740, 8108, 9976, 10135, 10320, 10440, 11223, 12162, 12470, 14964, 15480, 16216, 18243, 18705, 19952, 20270, 20880, 22446, 24324, 24940, 29928, 30405, 30960, 32432, 36486, 37410, 40540, 44892, 48648, 49880, 56115, 58783, 59856, 60810, 72972, 74820, 81080, 87161, 89784, 91215, 97296, 99760, 112230, 117566, 121620, 145944, 149640, 162160, 174322, 176349, 179568, 182430, 224460, 235132, 243240, 261483, 291888, 293915, 299280, 348644, 352698, 364860, 435805, 448920, 470264, 486480, 522966, 529047, 587830, 697288, 705396, 729720, 784449, 871610, 881745, 897840, 940528, 1045932, 1058094, 1175660, 1307415, 1394576, 1410792, 1459440, 1568898, 1743220, 1763490, 2091864, 2116188, 2351320, 2527669, 2614830, 2645235, 2821584, 3137796, 3486440, 3526980, 3922245, 4183728, 4232376, 4702640, 5055338, 5229660, 5290470, 6275592, 6972880, 7053960, 7583007, 7844490, 8464752, 10110676, 10459320, 10580940, 12551184, 12638345, 14107920, 15166014, 15688980, 20221352, 20918640, 21161880, 22749021, 25276690, 30332028, 31377960, 37915035, 40442704, 42323760, 45498042, 50553380, 60664056, 62755920, 75830070, 90996084, 101106760, 113745105, 121328112, 151660140, 181992168, 202213520, 227490210, 303320280, 363984336, 454980420, 606640560, 909960840, 1819921680]

約数ペア:

[(1, 1819921680), (2, 909960840), (3, 606640560), (4, 454980420), (5, 363984336), (6, 303320280), (8, 227490210), (9, 202213520), (10, 181992168), (12, 151660140), (15, 121328112), (16, 113745105), (18, 101106760), (20, 90996084), (24, 75830070), (29, 62755920), (30, 60664056), (36, 50553380), (40, 45498042), (43, 42323760), (45, 40442704), (48, 37915035), (58, 31377960), (60, 30332028), (72, 25276690), (80, 22749021), (86, 21161880), (87, 20918640), (90, 20221352), (116, 15688980), (120, 15166014), (129, 14107920), (144, 12638345), (145, 12551184), (172, 10580940), (174, 10459320), (180, 10110676), (215, 8464752), (232, 7844490), (240, 7583007), (258, 7053960), (261, 6972880), (290, 6275592), (344, 5290470), (348, 5229660), (360, 5055338), (387, 4702640), (430, 4232376), (435, 4183728), (464, 3922245), (516, 3526980), (522, 3486440), (580, 3137796), (645, 2821584), (688, 2645235), (696, 2614830), (720, 2527669), (774, 2351320), (860, 2116188), (870, 2091864), (1032, 1763490), (1044, 1743220), (1160, 1568898), (1247, 1459440), (1290, 1410792), (1305, 1394576), (1392, 1307415), (1548, 1175660), (1720, 1058094), (1740, 1045932), (1935, 940528), (2027, 897840), (2064, 881745), (2088, 871610), (2320, 784449), (2494, 729720), (2580, 705396), (2610, 697288), (3096, 587830), (3440, 529047), (3480, 522966), (3741, 486480), (3870, 470264), (4054, 448920), (4176, 435805), (4988, 364860), (5160, 352698), (5220, 348644), (6081, 299280), (6192, 293915), (6235, 291888), (6960, 261483), (7482, 243240), (7740, 235132), (8108, 224460), (9976, 182430), (10135, 179568), (10320, 176349), (10440, 174322), (11223, 162160), (12162, 149640), (12470, 145944), (14964, 121620), (15480, 117566), (16216, 112230), (18243, 99760), (18705, 97296), (19952, 91215), (20270, 89784), (20880, 87161), (22446, 81080), (24324, 74820), (24940, 72972), (29928, 60810), (30405, 59856), (30960, 58783), (32432, 56115), (36486, 49880), (37410, 48648), (40540, 44892)]