31249680

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:142

約数の個数: 320

約数和(自身を含む): 128563200

約数和(自身を除く): 97313520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 16, 19, 20, 21, 22, 24, 28, 30, 33, 35, 38, 40, 42, 44, 48, 55, 56, 57, 60, 66, 70, 76, 77, 80, 84, 88, 89, 95, 105, 110, 112, 114, 120, 132, 133, 140, 152, 154, 165, 168, 176, 178, 190, 209, 210, 220, 228, 231, 240, 264, 266, 267, 280, 285, 304, 308, 330, 336, 356, 380, 385, 399, 418, 420, 440, 445, 456, 462, 528, 532, 534, 560, 570, 616, 623, 627, 660, 665, 712, 760, 770, 798, 836, 840, 880, 890, 912, 924, 979, 1045, 1064, 1068, 1140, 1155, 1232, 1246, 1254, 1320, 1330, 1335, 1424, 1463, 1520, 1540, 1596, 1672, 1680, 1691, 1780, 1848, 1869, 1958, 1995, 2090, 2128, 2136, 2280, 2310, 2492, 2508, 2640, 2660, 2670, 2926, 2937, 3080, 3115, 3135, 3192, 3344, 3382, 3560, 3696, 3738, 3916, 3990, 4180, 4272, 4389, 4560, 4620, 4895, 4984, 5016, 5073, 5320, 5340, 5852, 5874, 6160, 6230, 6270, 6384, 6764, 6853, 7120, 7315, 7476, 7832, 7980, 8360, 8455, 8778, 9240, 9345, 9790, 9968, 10032, 10146, 10640, 10680, 11704, 11748, 11837, 12460, 12540, 13528, 13706, 14630, 14685, 14952, 15664, 15960, 16720, 16910, 17556, 18480, 18601, 18690, 19580, 20292, 20559, 21360, 21945, 23408, 23496, 23674, 24920, 25080, 25365, 27056, 27412, 29260, 29370, 29904, 31920, 33820, 34265, 35112, 35511, 37202, 37380, 39160, 40584, 41118, 43890, 46992, 47348, 49840, 50160, 50730, 54824, 55803, 58520, 58740, 59185, 67640, 68530, 70224, 71022, 74404, 74760, 78320, 81168, 82236, 87780, 93005, 94696, 101460, 102795, 109648, 111606, 117040, 117480, 118370, 130207, 135280, 137060, 142044, 148808, 149520, 164472, 175560, 177555, 186010, 189392, 202920, 205590, 223212, 234960, 236740, 260414, 274120, 279015, 284088, 297616, 328944, 351120, 355110, 372020, 390621, 405840, 411180, 446424, 473480, 520828, 548240, 558030, 568176, 651035, 710220, 744040, 781242, 822360, 892848, 946960, 1041656, 1116060, 1302070, 1420440, 1488080, 1562484, 1644720, 1953105, 2083312, 2232120, 2604140, 2840880, 3124968, 3906210, 4464240, 5208280, 6249936, 7812420, 10416560, 15624840, 31249680]

約数ペア:

[(1, 31249680), (2, 15624840), (3, 10416560), (4, 7812420), (5, 6249936), (6, 5208280), (7, 4464240), (8, 3906210), (10, 3124968), (11, 2840880), (12, 2604140), (14, 2232120), (15, 2083312), (16, 1953105), (19, 1644720), (20, 1562484), (21, 1488080), (22, 1420440), (24, 1302070), (28, 1116060), (30, 1041656), (33, 946960), (35, 892848), (38, 822360), (40, 781242), (42, 744040), (44, 710220), (48, 651035), (55, 568176), (56, 558030), (57, 548240), (60, 520828), (66, 473480), (70, 446424), (76, 411180), (77, 405840), (80, 390621), (84, 372020), (88, 355110), (89, 351120), (95, 328944), (105, 297616), (110, 284088), (112, 279015), (114, 274120), (120, 260414), (132, 236740), (133, 234960), (140, 223212), (152, 205590), (154, 202920), (165, 189392), (168, 186010), (176, 177555), (178, 175560), (190, 164472), (209, 149520), (210, 148808), (220, 142044), (228, 137060), (231, 135280), (240, 130207), (264, 118370), (266, 117480), (267, 117040), (280, 111606), (285, 109648), (304, 102795), (308, 101460), (330, 94696), (336, 93005), (356, 87780), (380, 82236), (385, 81168), (399, 78320), (418, 74760), (420, 74404), (440, 71022), (445, 70224), (456, 68530), (462, 67640), (528, 59185), (532, 58740), (534, 58520), (560, 55803), (570, 54824), (616, 50730), (623, 50160), (627, 49840), (660, 47348), (665, 46992), (712, 43890), (760, 41118), (770, 40584), (798, 39160), (836, 37380), (840, 37202), (880, 35511), (890, 35112), (912, 34265), (924, 33820), (979, 31920), (1045, 29904), (1064, 29370), (1068, 29260), (1140, 27412), (1155, 27056), (1232, 25365), (1246, 25080), (1254, 24920), (1320, 23674), (1330, 23496), (1335, 23408), (1424, 21945), (1463, 21360), (1520, 20559), (1540, 20292), (1596, 19580), (1672, 18690), (1680, 18601), (1691, 18480), (1780, 17556), (1848, 16910), (1869, 16720), (1958, 15960), (1995, 15664), (2090, 14952), (2128, 14685), (2136, 14630), (2280, 13706), (2310, 13528), (2492, 12540), (2508, 12460), (2640, 11837), (2660, 11748), (2670, 11704), (2926, 10680), (2937, 10640), (3080, 10146), (3115, 10032), (3135, 9968), (3192, 9790), (3344, 9345), (3382, 9240), (3560, 8778), (3696, 8455), (3738, 8360), (3916, 7980), (3990, 7832), (4180, 7476), (4272, 7315), (4389, 7120), (4560, 6853), (4620, 6764), (4895, 6384), (4984, 6270), (5016, 6230), (5073, 6160), (5320, 5874), (5340, 5852)]