19909707840

素因数分解:

$2^6\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:192

約数の個数: 1008

約数和(自身を含む): 82633474560

約数和(自身を除く): 62723766720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 19, 20, 22, 24, 30, 31, 32, 33, 36, 38, 40, 44, 45, 48, 55, 57, 60, 62, 64, 66, 72, 76, 80, 88, 90, 93, 95, 96, 97, 99, 110, 114, 120, 121, 124, 132, 144, 152, 155, 160, 165, 171, 176, 180, 186, 190, 192, 194, 198, 209, 220, 228, 240, 242, 248, 264, 279, 285, 288, 291, 304, 310, 320, 330, 341, 342, 352, 360, 363, 372, 380, 388, 396, 418, 440, 456, 465, 480, 484, 485, 495, 496, 528, 558, 570, 576, 582, 589, 605, 608, 620, 627, 660, 682, 684, 704, 720, 726, 744, 760, 776, 792, 836, 855, 873, 880, 912, 930, 960, 968, 970, 990, 992, 1023, 1045, 1056, 1067, 1089, 1116, 1140, 1164, 1178, 1210, 1216, 1240, 1254, 1320, 1364, 1368, 1395, 1440, 1452, 1455, 1488, 1520, 1552, 1584, 1672, 1705, 1710, 1746, 1760, 1767, 1815, 1824, 1843, 1860, 1881, 1936, 1940, 1980, 1984, 2046, 2090, 2112, 2134, 2178, 2232, 2280, 2299, 2328, 2356, 2420, 2480, 2508, 2640, 2728, 2736, 2790, 2880, 2904, 2910, 2945, 2976, 3007, 3040, 3069, 3104, 3135, 3168, 3201, 3344, 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約数ペア:

[(1, 19909707840), (2, 9954853920), (3, 6636569280), (4, 4977426960), (5, 3981941568), (6, 3318284640), (8, 2488713480), (9, 2212189760), (10, 1990970784), (11, 1809973440), (12, 1659142320), (15, 1327313856), (16, 1244356740), (18, 1106094880), (19, 1047879360), (20, 995485392), (22, 904986720), (24, 829571160), (30, 663656928), (31, 642248640), (32, 622178370), (33, 603324480), (36, 553047440), (38, 523939680), (40, 497742696), (44, 452493360), (45, 442437952), (48, 414785580), (55, 361994688), (57, 349293120), (60, 331828464), (62, 321124320), (64, 311089185), (66, 301662240), (72, 276523720), (76, 261969840), (80, 248871348), (88, 226246680), (90, 221218976), (93, 214082880), (95, 209575872), (96, 207392790), (97, 205254720), (99, 201108160), (110, 180997344), (114, 174646560), (120, 165914232), (121, 164543040), (124, 160562160), (132, 150831120), (144, 138261860), (152, 130984920), (155, 128449728), (160, 124435674), (165, 120664896), (171, 116431040), (176, 113123340), (180, 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