64806480

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:235

約数の個数: 200

約数和(自身を含む): 229831272

約数和(自身を除く): 165024792

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 73, 80, 81, 90, 108, 120, 135, 137, 144, 146, 162, 180, 216, 219, 240, 270, 274, 292, 324, 360, 365, 405, 411, 432, 438, 540, 548, 584, 648, 657, 685, 720, 730, 810, 822, 876, 1080, 1095, 1096, 1168, 1233, 1296, 1314, 1370, 1460, 1620, 1644, 1752, 1971, 2055, 2160, 2190, 2192, 2466, 2628, 2740, 2920, 3240, 3285, 3288, 3504, 3699, 3942, 4110, 4380, 4932, 5256, 5480, 5840, 5913, 6165, 6480, 6570, 6576, 7398, 7884, 8220, 8760, 9855, 9864, 10001, 10512, 10960, 11097, 11826, 12330, 13140, 14796, 15768, 16440, 17520, 18495, 19710, 19728, 20002, 22194, 23652, 24660, 26280, 29565, 29592, 30003, 31536, 32880, 36990, 39420, 40004, 44388, 47304, 49320, 50005, 52560, 55485, 59130, 59184, 60006, 73980, 78840, 80008, 88776, 90009, 94608, 98640, 100010, 110970, 118260, 120012, 147960, 150015, 157680, 160016, 177552, 180018, 200020, 221940, 236520, 240024, 270027, 295920, 300030, 360036, 400040, 443880, 450045, 473040, 480048, 540054, 600060, 720072, 800080, 810081, 887760, 900090, 1080108, 1200120, 1350135, 1440144, 1620162, 1800180, 2160216, 2400240, 2700270, 3240324, 3600360, 4050405, 4320432, 5400540, 6480648, 7200720, 8100810, 10801080, 12961296, 16201620, 21602160, 32403240, 64806480]

約数ペア:

[(1, 64806480), (2, 32403240), (3, 21602160), (4, 16201620), (5, 12961296), (6, 10801080), (8, 8100810), (9, 7200720), (10, 6480648), (12, 5400540), (15, 4320432), (16, 4050405), (18, 3600360), (20, 3240324), (24, 2700270), (27, 2400240), (30, 2160216), (36, 1800180), (40, 1620162), (45, 1440144), (48, 1350135), (54, 1200120), (60, 1080108), (72, 900090), (73, 887760), (80, 810081), (81, 800080), (90, 720072), (108, 600060), (120, 540054), (135, 480048), (137, 473040), (144, 450045), (146, 443880), (162, 400040), (180, 360036), (216, 300030), (219, 295920), (240, 270027), (270, 240024), (274, 236520), (292, 221940), (324, 200020), (360, 180018), (365, 177552), (405, 160016), (411, 157680), (432, 150015), (438, 147960), (540, 120012), (548, 118260), (584, 110970), (648, 100010), (657, 98640), (685, 94608), (720, 90009), (730, 88776), (810, 80008), (822, 78840), (876, 73980), (1080, 60006), (1095, 59184), (1096, 59130), (1168, 55485), (1233, 52560), (1296, 50005), (1314, 49320), (1370, 47304), (1460, 44388), (1620, 40004), (1644, 39420), (1752, 36990), (1971, 32880), (2055, 31536), (2160, 30003), (2190, 29592), (2192, 29565), (2466, 26280), (2628, 24660), (2740, 23652), (2920, 22194), (3240, 20002), (3285, 19728), (3288, 19710), (3504, 18495), (3699, 17520), (3942, 16440), (4110, 15768), (4380, 14796), (4932, 13140), (5256, 12330), (5480, 11826), (5840, 11097), (5913, 10960), (6165, 10512), (6480, 10001), (6570, 9864), (6576, 9855), (7398, 8760), (7884, 8220)]