255474720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1$

素因数の和:208

約数の個数: 288

約数和(自身を含む): 924618240

約数和(自身を除く): 669143520

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 59, 60, 62, 72, 80, 90, 93, 96, 97, 118, 120, 124, 144, 155, 160, 177, 180, 186, 194, 236, 240, 248, 279, 288, 291, 295, 310, 354, 360, 372, 388, 465, 472, 480, 485, 496, 531, 558, 582, 590, 620, 708, 720, 744, 776, 873, 885, 930, 944, 970, 992, 1062, 1116, 1164, 1180, 1240, 1395, 1416, 1440, 1455, 1488, 1552, 1746, 1770, 1829, 1860, 1888, 1940, 2124, 2232, 2328, 2360, 2480, 2655, 2790, 2832, 2910, 2976, 3007, 3104, 3492, 3540, 3658, 3720, 3880, 4248, 4365, 4464, 4656, 4720, 4960, 5310, 5487, 5580, 5664, 5723, 5820, 6014, 6984, 7080, 7316, 7440, 7760, 8496, 8730, 8928, 9021, 9145, 9312, 9440, 10620, 10974, 11160, 11446, 11640, 12028, 13968, 14160, 14632, 14880, 15035, 15520, 16461, 16992, 17169, 17460, 18042, 18290, 21240, 21948, 22320, 22892, 23280, 24056, 27063, 27435, 27936, 28320, 28615, 29264, 30070, 32922, 34338, 34920, 36084, 36580, 42480, 43896, 44640, 45105, 45784, 46560, 48112, 51507, 54126, 54870, 57230, 58528, 60140, 65844, 68676, 69840, 72168, 73160, 82305, 84960, 85845, 87792, 90210, 91568, 96224, 103014, 108252, 109740, 114460, 120280, 131688, 135315, 137352, 139680, 144336, 146320, 164610, 171690, 175584, 177413, 180420, 183136, 206028, 216504, 219480, 228920, 240560, 257535, 263376, 270630, 274704, 288672, 292640, 329220, 343380, 354826, 360840, 412056, 433008, 438960, 457840, 481120, 515070, 526752, 532239, 541260, 549408, 658440, 686760, 709652, 721680, 824112, 866016, 877920, 887065, 915680, 1030140, 1064478, 1082520, 1316880, 1373520, 1419304, 1443360, 1596717, 1648224, 1774130, 2060280, 2128956, 2165040, 2633760, 2661195, 2747040, 2838608, 3193434, 3548260, 4120560, 4257912, 4330080, 5322390, 5677216, 6386868, 7096520, 7983585, 8241120, 8515824, 10644780, 12773736, 14193040, 15967170, 17031648, 21289560, 25547472, 28386080, 31934340, 42579120, 51094944, 63868680, 85158240, 127737360, 255474720]

約数ペア:

[(1, 255474720), (2, 127737360), (3, 85158240), (4, 63868680), (5, 51094944), (6, 42579120), (8, 31934340), (9, 28386080), (10, 25547472), (12, 21289560), (15, 17031648), (16, 15967170), (18, 14193040), (20, 12773736), (24, 10644780), (30, 8515824), (31, 8241120), (32, 7983585), (36, 7096520), (40, 6386868), (45, 5677216), (48, 5322390), (59, 4330080), (60, 4257912), (62, 4120560), (72, 3548260), (80, 3193434), (90, 2838608), (93, 2747040), (96, 2661195), (97, 2633760), (118, 2165040), (120, 2128956), (124, 2060280), (144, 1774130), (155, 1648224), (160, 1596717), (177, 1443360), (180, 1419304), (186, 1373520), (194, 1316880), (236, 1082520), (240, 1064478), (248, 1030140), (279, 915680), (288, 887065), (291, 877920), (295, 866016), (310, 824112), (354, 721680), (360, 709652), (372, 686760), (388, 658440), (465, 549408), (472, 541260), (480, 532239), (485, 526752), (496, 515070), (531, 481120), (558, 457840), (582, 438960), (590, 433008), (620, 412056), (708, 360840), (720, 354826), (744, 343380), (776, 329220), (873, 292640), (885, 288672), (930, 274704), (944, 270630), (970, 263376), (992, 257535), (1062, 240560), (1116, 228920), (1164, 219480), (1180, 216504), (1240, 206028), (1395, 183136), (1416, 180420), (1440, 177413), (1455, 175584), (1488, 171690), (1552, 164610), (1746, 146320), (1770, 144336), (1829, 139680), (1860, 137352), (1888, 135315), (1940, 131688), (2124, 120280), (2232, 114460), (2328, 109740), (2360, 108252), (2480, 103014), (2655, 96224), (2790, 91568), (2832, 90210), (2910, 87792), (2976, 85845), (3007, 84960), (3104, 82305), (3492, 73160), (3540, 72168), (3658, 69840), (3720, 68676), (3880, 65844), (4248, 60140), (4365, 58528), (4464, 57230), (4656, 54870), (4720, 54126), (4960, 51507), (5310, 48112), (5487, 46560), (5580, 45784), (5664, 45105), (5723, 44640), (5820, 43896), (6014, 42480), (6984, 36580), (7080, 36084), (7316, 34920), (7440, 34338), (7760, 32922), (8496, 30070), (8730, 29264), (8928, 28615), (9021, 28320), (9145, 27936), (9312, 27435), (9440, 27063), (10620, 24056), (10974, 23280), (11160, 22892), (11446, 22320), (11640, 21948), (12028, 21240), (13968, 18290), (14160, 18042), (14632, 17460), (14880, 17169), (15035, 16992), (15520, 16461)]