81425520

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1$

素因数の和:205

約数の個数: 320

約数和(自身を含む): 321408000

約数和(自身を除く): 239982480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 23, 24, 27, 30, 33, 36, 40, 44, 45, 46, 48, 54, 55, 60, 66, 69, 72, 80, 88, 90, 92, 99, 108, 110, 115, 120, 132, 135, 138, 144, 149, 165, 176, 180, 184, 198, 207, 216, 220, 230, 240, 253, 264, 270, 276, 297, 298, 330, 345, 360, 368, 396, 414, 432, 440, 447, 460, 495, 506, 528, 540, 552, 594, 596, 621, 660, 690, 720, 745, 759, 792, 828, 880, 894, 920, 990, 1012, 1035, 1080, 1104, 1188, 1192, 1242, 1265, 1320, 1341, 1380, 1485, 1490, 1518, 1584, 1639, 1656, 1788, 1840, 1980, 2024, 2070, 2160, 2235, 2277, 2376, 2384, 2484, 2530, 2640, 2682, 2760, 2970, 2980, 3036, 3105, 3278, 3312, 3427, 3576, 3795, 3960, 4023, 4048, 4140, 4470, 4554, 4752, 4917, 4968, 5060, 5364, 5520, 5940, 5960, 6072, 6210, 6556, 6705, 6831, 6854, 7152, 7590, 7920, 8046, 8195, 8280, 8940, 9108, 9834, 9936, 10120, 10281, 10728, 11385, 11880, 11920, 12144, 12420, 13112, 13410, 13662, 13708, 14751, 15180, 16092, 16390, 16560, 17135, 17880, 18216, 19668, 20115, 20240, 20562, 21456, 22770, 23760, 24585, 24840, 26224, 26820, 27324, 27416, 29502, 30360, 30843, 32184, 32780, 34155, 34270, 35760, 36432, 37697, 39336, 40230, 41124, 44253, 45540, 49170, 49680, 51405, 53640, 54648, 54832, 59004, 60720, 61686, 64368, 65560, 68310, 68540, 73755, 75394, 78672, 80460, 82248, 88506, 91080, 92529, 98340, 102810, 107280, 109296, 113091, 118008, 123372, 131120, 136620, 137080, 147510, 150788, 154215, 160920, 164496, 177012, 182160, 185058, 188485, 196680, 205620, 221265, 226182, 236016, 246744, 273240, 274160, 295020, 301576, 308430, 321840, 339273, 354024, 370116, 376970, 393360, 411240, 442530, 452364, 462645, 493488, 546480, 565455, 590040, 603152, 616860, 678546, 708048, 740232, 753940, 822480, 885060, 904728, 925290, 1017819, 1130910, 1180080, 1233720, 1357092, 1480464, 1507880, 1696365, 1770120, 1809456, 1850580, 2035638, 2261820, 2467440, 2714184, 3015760, 3392730, 3540240, 3701160, 4071276, 4523640, 5089095, 5428368, 6785460, 7402320, 8142552, 9047280, 10178190, 13570920, 16285104, 20356380, 27141840, 40712760, 81425520]

約数ペア:

[(1, 81425520), (2, 40712760), (3, 27141840), (4, 20356380), (5, 16285104), (6, 13570920), (8, 10178190), (9, 9047280), (10, 8142552), (11, 7402320), (12, 6785460), (15, 5428368), (16, 5089095), (18, 4523640), (20, 4071276), (22, 3701160), (23, 3540240), (24, 3392730), (27, 3015760), (30, 2714184), (33, 2467440), (36, 2261820), (40, 2035638), (44, 1850580), (45, 1809456), (46, 1770120), (48, 1696365), (54, 1507880), (55, 1480464), (60, 1357092), (66, 1233720), (69, 1180080), (72, 1130910), (80, 1017819), (88, 925290), (90, 904728), (92, 885060), (99, 822480), (108, 753940), (110, 740232), (115, 708048), (120, 678546), (132, 616860), (135, 603152), (138, 590040), (144, 565455), (149, 546480), (165, 493488), (176, 462645), (180, 452364), (184, 442530), (198, 411240), (207, 393360), (216, 376970), (220, 370116), (230, 354024), (240, 339273), (253, 321840), (264, 308430), (270, 301576), (276, 295020), (297, 274160), (298, 273240), (330, 246744), (345, 236016), (360, 226182), (368, 221265), (396, 205620), (414, 196680), (432, 188485), (440, 185058), (447, 182160), (460, 177012), (495, 164496), (506, 160920), (528, 154215), (540, 150788), (552, 147510), (594, 137080), (596, 136620), (621, 131120), (660, 123372), (690, 118008), (720, 113091), (745, 109296), (759, 107280), (792, 102810), (828, 98340), (880, 92529), (894, 91080), (920, 88506), (990, 82248), (1012, 80460), (1035, 78672), (1080, 75394), (1104, 73755), (1188, 68540), (1192, 68310), (1242, 65560), (1265, 64368), (1320, 61686), (1341, 60720), (1380, 59004), (1485, 54832), (1490, 54648), (1518, 53640), (1584, 51405), (1639, 49680), (1656, 49170), (1788, 45540), (1840, 44253), (1980, 41124), (2024, 40230), (2070, 39336), (2160, 37697), (2235, 36432), (2277, 35760), (2376, 34270), (2384, 34155), (2484, 32780), (2530, 32184), (2640, 30843), (2682, 30360), (2760, 29502), (2970, 27416), (2980, 27324), (3036, 26820), (3105, 26224), (3278, 24840), (3312, 24585), (3427, 23760), (3576, 22770), (3795, 21456), (3960, 20562), (4023, 20240), (4048, 20115), (4140, 19668), (4470, 18216), (4554, 17880), (4752, 17135), (4917, 16560), (4968, 16390), (5060, 16092), (5364, 15180), (5520, 14751), (5940, 13708), (5960, 13662), (6072, 13410), (6210, 13112), (6556, 12420), (6705, 12144), (6831, 11920), (6854, 11880), (7152, 11385), (7590, 10728), (7920, 10281), (8046, 10120), (8195, 9936), (8280, 9834), (8940, 9108)]