399810720

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1$

素因数の和:423

約数の個数: 192

約数和(自身を含む): 1318173696

約数和(自身を除く): 918362976

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 97, 120, 124, 155, 160, 186, 194, 240, 248, 277, 291, 310, 372, 388, 465, 480, 485, 496, 554, 582, 620, 744, 776, 831, 930, 970, 992, 1108, 1164, 1240, 1385, 1455, 1488, 1552, 1662, 1860, 1940, 2216, 2328, 2480, 2770, 2910, 2976, 3007, 3104, 3324, 3720, 3880, 4155, 4432, 4656, 4960, 5540, 5820, 6014, 6648, 7440, 7760, 8310, 8587, 8864, 9021, 9312, 11080, 11640, 12028, 13296, 14880, 15035, 15520, 16620, 17174, 18042, 22160, 23280, 24056, 25761, 26592, 26869, 30070, 33240, 34348, 36084, 42935, 44320, 45105, 46560, 48112, 51522, 53738, 60140, 66480, 68696, 72168, 80607, 85870, 90210, 96224, 103044, 107476, 120280, 128805, 132960, 134345, 137392, 144336, 161214, 171740, 180420, 206088, 214952, 240560, 257610, 268690, 274784, 288672, 322428, 343480, 360840, 403035, 412176, 429904, 481120, 515220, 537380, 644856, 686960, 721680, 806070, 824352, 832939, 859808, 1030440, 1074760, 1289712, 1373920, 1443360, 1612140, 1665878, 2060880, 2149520, 2498817, 2579424, 3224280, 3331756, 4121760, 4164695, 4299040, 4997634, 6448560, 6663512, 8329390, 9995268, 12494085, 12897120, 13327024, 16658780, 19990536, 24988170, 26654048, 33317560, 39981072, 49976340, 66635120, 79962144, 99952680, 133270240, 199905360, 399810720]

約数ペア:

[(1, 399810720), (2, 199905360), (3, 133270240), (4, 99952680), (5, 79962144), (6, 66635120), (8, 49976340), (10, 39981072), (12, 33317560), (15, 26654048), (16, 24988170), (20, 19990536), (24, 16658780), (30, 13327024), (31, 12897120), (32, 12494085), (40, 9995268), (48, 8329390), (60, 6663512), (62, 6448560), (80, 4997634), (93, 4299040), (96, 4164695), (97, 4121760), (120, 3331756), (124, 3224280), (155, 2579424), (160, 2498817), (186, 2149520), (194, 2060880), (240, 1665878), (248, 1612140), (277, 1443360), (291, 1373920), (310, 1289712), (372, 1074760), (388, 1030440), (465, 859808), (480, 832939), (485, 824352), (496, 806070), (554, 721680), (582, 686960), (620, 644856), (744, 537380), (776, 515220), (831, 481120), (930, 429904), (970, 412176), (992, 403035), (1108, 360840), (1164, 343480), (1240, 322428), (1385, 288672), (1455, 274784), (1488, 268690), (1552, 257610), (1662, 240560), (1860, 214952), (1940, 206088), (2216, 180420), (2328, 171740), (2480, 161214), (2770, 144336), (2910, 137392), (2976, 134345), (3007, 132960), (3104, 128805), (3324, 120280), (3720, 107476), (3880, 103044), (4155, 96224), (4432, 90210), (4656, 85870), (4960, 80607), (5540, 72168), (5820, 68696), (6014, 66480), (6648, 60140), (7440, 53738), (7760, 51522), (8310, 48112), (8587, 46560), (8864, 45105), (9021, 44320), (9312, 42935), (11080, 36084), (11640, 34348), (12028, 33240), (13296, 30070), (14880, 26869), (15035, 26592), (15520, 25761), (16620, 24056), (17174, 23280), (18042, 22160)]