261129960

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2657}}^1$

素因数の和:2697

約数の個数: 256

約数和(自身を含む): 1071705600

約数和(自身を除く): 810575640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 13, 14, 15, 18, 20, 21, 24, 26, 27, 28, 30, 35, 36, 39, 40, 42, 45, 52, 54, 56, 60, 63, 65, 70, 72, 78, 84, 90, 91, 104, 105, 108, 117, 120, 126, 130, 135, 140, 156, 168, 180, 182, 189, 195, 210, 216, 234, 252, 260, 270, 273, 280, 312, 315, 351, 360, 364, 378, 390, 420, 455, 468, 504, 520, 540, 546, 585, 630, 702, 728, 756, 780, 819, 840, 910, 936, 945, 1080, 1092, 1170, 1260, 1365, 1404, 1512, 1560, 1638, 1755, 1820, 1890, 2184, 2340, 2457, 2520, 2657, 2730, 2808, 3276, 3510, 3640, 3780, 4095, 4680, 4914, 5314, 5460, 6552, 7020, 7560, 7971, 8190, 9828, 10628, 10920, 12285, 13285, 14040, 15942, 16380, 18599, 19656, 21256, 23913, 24570, 26570, 31884, 32760, 34541, 37198, 39855, 47826, 49140, 53140, 55797, 63768, 69082, 71739, 74396, 79710, 92995, 95652, 98280, 103623, 106280, 111594, 119565, 138164, 143478, 148792, 159420, 167391, 172705, 185990, 191304, 207246, 223188, 239130, 241787, 276328, 278985, 286956, 310869, 318840, 334782, 345410, 358695, 371980, 414492, 446376, 478260, 483574, 502173, 518115, 557970, 573912, 621738, 669564, 690820, 717390, 725361, 743960, 828984, 836955, 932607, 956520, 967148, 1004346, 1036230, 1115940, 1208935, 1243476, 1339128, 1381640, 1434780, 1450722, 1554345, 1673910, 1865214, 1934296, 2008692, 2072460, 2176083, 2231880, 2417870, 2486952, 2510865, 2869560, 2901444, 3108690, 3347820, 3626805, 3730428, 4017384, 4144920, 4352166, 4663035, 4835740, 5021730, 5802888, 6217380, 6528249, 6695640, 7253610, 7460856, 8704332, 9326070, 9671480, 10043460, 10880415, 12434760, 13056498, 14507220, 17408664, 18652140, 20086920, 21760830, 26112996, 29014440, 32641245, 37304280, 43521660, 52225992, 65282490, 87043320, 130564980, 261129960]

約数ペア:

[(1, 261129960), (2, 130564980), (3, 87043320), (4, 65282490), (5, 52225992), (6, 43521660), (7, 37304280), (8, 32641245), (9, 29014440), (10, 26112996), (12, 21760830), (13, 20086920), (14, 18652140), (15, 17408664), (18, 14507220), (20, 13056498), (21, 12434760), (24, 10880415), (26, 10043460), (27, 9671480), (28, 9326070), (30, 8704332), (35, 7460856), (36, 7253610), (39, 6695640), (40, 6528249), (42, 6217380), (45, 5802888), (52, 5021730), (54, 4835740), (56, 4663035), (60, 4352166), (63, 4144920), (65, 4017384), (70, 3730428), (72, 3626805), (78, 3347820), (84, 3108690), (90, 2901444), (91, 2869560), (104, 2510865), (105, 2486952), (108, 2417870), (117, 2231880), (120, 2176083), (126, 2072460), (130, 2008692), (135, 1934296), (140, 1865214), (156, 1673910), (168, 1554345), (180, 1450722), (182, 1434780), (189, 1381640), (195, 1339128), (210, 1243476), (216, 1208935), (234, 1115940), (252, 1036230), (260, 1004346), (270, 967148), (273, 956520), (280, 932607), (312, 836955), (315, 828984), (351, 743960), (360, 725361), (364, 717390), (378, 690820), (390, 669564), (420, 621738), (455, 573912), (468, 557970), (504, 518115), (520, 502173), (540, 483574), (546, 478260), (585, 446376), (630, 414492), (702, 371980), (728, 358695), (756, 345410), (780, 334782), (819, 318840), (840, 310869), (910, 286956), (936, 278985), (945, 276328), (1080, 241787), (1092, 239130), (1170, 223188), (1260, 207246), (1365, 191304), (1404, 185990), (1512, 172705), (1560, 167391), (1638, 159420), (1755, 148792), (1820, 143478), (1890, 138164), (2184, 119565), (2340, 111594), (2457, 106280), (2520, 103623), (2657, 98280), (2730, 95652), (2808, 92995), (3276, 79710), (3510, 74396), (3640, 71739), (3780, 69082), (4095, 63768), (4680, 55797), (4914, 53140), (5314, 49140), (5460, 47826), (6552, 39855), (7020, 37198), (7560, 34541), (7971, 32760), (8190, 31884), (9828, 26570), (10628, 24570), (10920, 23913), (12285, 21256), (13285, 19656), (14040, 18599), (15942, 16380)]