261775920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:240

約数の個数: 320

約数和(自身を含む): 999936000

約数和(自身を除く): 738160080

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 59, 60, 70, 76, 80, 84, 95, 105, 112, 114, 118, 120, 133, 139, 140, 152, 168, 177, 190, 210, 228, 236, 240, 266, 278, 280, 285, 295, 304, 336, 354, 380, 399, 413, 417, 420, 456, 472, 532, 556, 560, 570, 590, 665, 695, 708, 760, 798, 826, 834, 840, 885, 912, 944, 973, 1064, 1112, 1121, 1140, 1180, 1239, 1330, 1390, 1416, 1520, 1596, 1652, 1668, 1680, 1770, 1946, 1995, 2065, 2085, 2128, 2224, 2242, 2280, 2360, 2478, 2641, 2660, 2780, 2832, 2919, 3192, 3304, 3336, 3363, 3540, 3892, 3990, 4130, 4170, 4484, 4560, 4720, 4865, 4956, 5282, 5320, 5560, 5605, 5838, 6195, 6384, 6608, 6672, 6726, 7080, 7784, 7847, 7923, 7980, 8201, 8260, 8340, 8968, 9730, 9912, 10564, 10640, 11120, 11210, 11676, 12390, 13205, 13452, 14160, 14595, 15568, 15694, 15846, 15960, 16402, 16520, 16680, 16815, 17936, 18487, 19460, 19824, 21128, 22420, 23352, 23541, 24603, 24780, 26410, 26904, 29190, 31388, 31692, 31920, 32804, 33040, 33360, 33630, 36974, 38920, 39235, 39615, 41005, 42256, 44840, 46704, 47082, 49206, 49560, 52820, 53808, 55461, 57407, 58380, 62776, 63384, 65608, 67260, 73948, 77840, 78470, 79230, 82010, 89680, 92435, 94164, 98412, 99120, 105640, 110922, 114814, 116760, 117705, 123015, 125552, 126768, 131216, 134520, 147896, 155819, 156940, 158460, 164020, 172221, 184870, 188328, 196824, 211280, 221844, 229628, 233520, 235410, 246030, 269040, 277305, 287035, 295792, 311638, 313880, 316920, 328040, 344442, 369740, 376656, 393648, 443688, 459256, 467457, 470820, 492060, 554610, 574070, 623276, 627760, 633840, 656080, 688884, 739480, 779095, 861105, 887376, 918512, 934914, 941640, 984120, 1090733, 1109220, 1148140, 1246552, 1377768, 1478960, 1558190, 1722210, 1869828, 1883280, 1968240, 2181466, 2218440, 2296280, 2337285, 2493104, 2755536, 3116380, 3272199, 3444420, 3739656, 4362932, 4436880, 4592560, 4674570, 5453665, 6232760, 6544398, 6888840, 7479312, 8725864, 9349140, 10907330, 12465520, 13088796, 13777680, 16360995, 17451728, 18698280, 21814660, 26177592, 32721990, 37396560, 43629320, 52355184, 65443980, 87258640, 130887960, 261775920]

約数ペア:

[(1, 261775920), (2, 130887960), (3, 87258640), (4, 65443980), (5, 52355184), (6, 43629320), (7, 37396560), (8, 32721990), (10, 26177592), (12, 21814660), (14, 18698280), (15, 17451728), (16, 16360995), (19, 13777680), (20, 13088796), (21, 12465520), (24, 10907330), (28, 9349140), (30, 8725864), (35, 7479312), (38, 6888840), (40, 6544398), (42, 6232760), (48, 5453665), (56, 4674570), (57, 4592560), (59, 4436880), (60, 4362932), (70, 3739656), (76, 3444420), (80, 3272199), (84, 3116380), (95, 2755536), (105, 2493104), (112, 2337285), (114, 2296280), (118, 2218440), (120, 2181466), (133, 1968240), (139, 1883280), (140, 1869828), (152, 1722210), (168, 1558190), (177, 1478960), (190, 1377768), (210, 1246552), (228, 1148140), (236, 1109220), (240, 1090733), (266, 984120), (278, 941640), (280, 934914), (285, 918512), (295, 887376), (304, 861105), (336, 779095), (354, 739480), (380, 688884), (399, 656080), (413, 633840), (417, 627760), (420, 623276), (456, 574070), (472, 554610), (532, 492060), (556, 470820), (560, 467457), (570, 459256), (590, 443688), (665, 393648), (695, 376656), (708, 369740), (760, 344442), (798, 328040), (826, 316920), (834, 313880), (840, 311638), (885, 295792), (912, 287035), (944, 277305), (973, 269040), (1064, 246030), (1112, 235410), (1121, 233520), (1140, 229628), (1180, 221844), (1239, 211280), (1330, 196824), (1390, 188328), (1416, 184870), (1520, 172221), (1596, 164020), (1652, 158460), (1668, 156940), (1680, 155819), (1770, 147896), (1946, 134520), (1995, 131216), (2065, 126768), (2085, 125552), (2128, 123015), (2224, 117705), (2242, 116760), (2280, 114814), (2360, 110922), (2478, 105640), (2641, 99120), (2660, 98412), (2780, 94164), (2832, 92435), (2919, 89680), (3192, 82010), (3304, 79230), (3336, 78470), (3363, 77840), (3540, 73948), (3892, 67260), (3990, 65608), (4130, 63384), (4170, 62776), (4484, 58380), (4560, 57407), (4720, 55461), (4865, 53808), (4956, 52820), (5282, 49560), (5320, 49206), (5560, 47082), (5605, 46704), (5838, 44840), (6195, 42256), (6384, 41005), (6608, 39615), (6672, 39235), (6726, 38920), (7080, 36974), (7784, 33630), (7847, 33360), (7923, 33040), (7980, 32804), (8201, 31920), (8260, 31692), (8340, 31388), (8968, 29190), (9730, 26904), (9912, 26410), (10564, 24780), (10640, 24603), (11120, 23541), (11210, 23352), (11676, 22420), (12390, 21128), (13205, 19824), (13452, 19460), (14160, 18487), (14595, 17936), (15568, 16815), (15694, 16680), (15846, 16520), (15960, 16402)]