261375840

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{569}}^1$

素因数の和:630

約数の個数: 288

約数和(自身を含む): 1008352800

約数和(自身を除く): 746976960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 29, 30, 32, 33, 36, 40, 44, 45, 48, 55, 58, 60, 66, 72, 80, 87, 88, 90, 96, 99, 110, 116, 120, 132, 144, 145, 160, 165, 174, 176, 180, 198, 220, 232, 240, 261, 264, 288, 290, 319, 330, 348, 352, 360, 396, 435, 440, 464, 480, 495, 522, 528, 569, 580, 638, 660, 696, 720, 792, 870, 880, 928, 957, 990, 1044, 1056, 1138, 1160, 1276, 1305, 1320, 1392, 1440, 1584, 1595, 1707, 1740, 1760, 1914, 1980, 2088, 2276, 2320, 2552, 2610, 2640, 2784, 2845, 2871, 3168, 3190, 3414, 3480, 3828, 3960, 4176, 4552, 4640, 4785, 5104, 5121, 5220, 5280, 5690, 5742, 6259, 6380, 6828, 6960, 7656, 7920, 8352, 8535, 9104, 9570, 10208, 10242, 10440, 11380, 11484, 12518, 12760, 13656, 13920, 14355, 15312, 15840, 16501, 17070, 18208, 18777, 19140, 20484, 20880, 22760, 22968, 25036, 25520, 25605, 27312, 28710, 30624, 31295, 33002, 34140, 37554, 38280, 40968, 41760, 45520, 45936, 49503, 50072, 51040, 51210, 54624, 56331, 57420, 62590, 66004, 68280, 75108, 76560, 81936, 82505, 91040, 91872, 93885, 99006, 100144, 102420, 112662, 114840, 125180, 132008, 136560, 148509, 150216, 153120, 163872, 165010, 181511, 187770, 198012, 200288, 204840, 225324, 229680, 247515, 250360, 264016, 273120, 281655, 297018, 300432, 330020, 363022, 375540, 396024, 409680, 450648, 459360, 495030, 500720, 528032, 544533, 563310, 594036, 600864, 660040, 726044, 742545, 751080, 792048, 819360, 901296, 907555, 990060, 1001440, 1089066, 1126620, 1188072, 1320080, 1452088, 1485090, 1502160, 1584096, 1633599, 1802592, 1815110, 1980120, 2178132, 2253240, 2376144, 2640160, 2722665, 2904176, 2970180, 3004320, 3267198, 3630220, 3960240, 4356264, 4506480, 4752288, 5445330, 5808352, 5940360, 6534396, 7260440, 7920480, 8167995, 8712528, 9012960, 10890660, 11880720, 13068792, 14520880, 16335990, 17425056, 21781320, 23761440, 26137584, 29041760, 32671980, 43562640, 52275168, 65343960, 87125280, 130687920, 261375840]

約数ペア:

[(1, 261375840), (2, 130687920), (3, 87125280), (4, 65343960), (5, 52275168), (6, 43562640), (8, 32671980), (9, 29041760), (10, 26137584), (11, 23761440), (12, 21781320), (15, 17425056), (16, 16335990), (18, 14520880), (20, 13068792), (22, 11880720), (24, 10890660), (29, 9012960), (30, 8712528), (32, 8167995), (33, 7920480), (36, 7260440), (40, 6534396), (44, 5940360), (45, 5808352), (48, 5445330), (55, 4752288), (58, 4506480), (60, 4356264), (66, 3960240), (72, 3630220), (80, 3267198), (87, 3004320), (88, 2970180), (90, 2904176), (96, 2722665), (99, 2640160), (110, 2376144), (116, 2253240), (120, 2178132), (132, 1980120), (144, 1815110), (145, 1802592), (160, 1633599), (165, 1584096), (174, 1502160), (176, 1485090), (180, 1452088), (198, 1320080), (220, 1188072), (232, 1126620), (240, 1089066), (261, 1001440), (264, 990060), (288, 907555), (290, 901296), (319, 819360), (330, 792048), (348, 751080), (352, 742545), (360, 726044), (396, 660040), (435, 600864), (440, 594036), (464, 563310), (480, 544533), (495, 528032), (522, 500720), (528, 495030), (569, 459360), (580, 450648), (638, 409680), (660, 396024), (696, 375540), (720, 363022), (792, 330020), (870, 300432), (880, 297018), (928, 281655), (957, 273120), (990, 264016), (1044, 250360), (1056, 247515), (1138, 229680), (1160, 225324), (1276, 204840), (1305, 200288), (1320, 198012), (1392, 187770), (1440, 181511), (1584, 165010), (1595, 163872), (1707, 153120), (1740, 150216), (1760, 148509), (1914, 136560), (1980, 132008), (2088, 125180), (2276, 114840), (2320, 112662), (2552, 102420), (2610, 100144), (2640, 99006), (2784, 93885), (2845, 91872), (2871, 91040), (3168, 82505), (3190, 81936), (3414, 76560), (3480, 75108), (3828, 68280), (3960, 66004), (4176, 62590), (4552, 57420), (4640, 56331), (4785, 54624), (5104, 51210), (5121, 51040), (5220, 50072), (5280, 49503), (5690, 45936), (5742, 45520), (6259, 41760), (6380, 40968), (6828, 38280), (6960, 37554), (7656, 34140), (7920, 33002), (8352, 31295), (8535, 30624), (9104, 28710), (9570, 27312), (10208, 25605), (10242, 25520), (10440, 25036), (11380, 22968), (11484, 22760), (12518, 20880), (12760, 20484), (13656, 19140), (13920, 18777), (14355, 18208), (15312, 17070), (15840, 16501)]