280804320

素因数分解:

$2^5\times 3^4\times 5^1\times {\mathrm{47}}^1\times {\mathrm{461}}^1$

素因数の和:535

約数の個数: 240

約数和(自身を含む): 1014285888

約数和(自身を除く): 733481568

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 47, 48, 54, 60, 72, 80, 81, 90, 94, 96, 108, 120, 135, 141, 144, 160, 162, 180, 188, 216, 235, 240, 270, 282, 288, 324, 360, 376, 405, 423, 432, 461, 470, 480, 540, 564, 648, 705, 720, 752, 810, 846, 864, 922, 940, 1080, 1128, 1269, 1296, 1383, 1410, 1440, 1504, 1620, 1692, 1844, 1880, 2115, 2160, 2256, 2305, 2538, 2592, 2766, 2820, 3240, 3384, 3688, 3760, 3807, 4149, 4230, 4320, 4512, 4610, 5076, 5532, 5640, 6345, 6480, 6768, 6915, 7376, 7520, 7614, 8298, 8460, 9220, 10152, 11064, 11280, 12447, 12690, 12960, 13536, 13830, 14752, 15228, 16596, 16920, 18440, 19035, 20304, 20745, 21667, 22128, 22560, 24894, 25380, 27660, 30456, 33192, 33840, 36880, 37341, 38070, 40608, 41490, 43334, 44256, 49788, 50760, 55320, 60912, 62235, 65001, 66384, 67680, 73760, 74682, 76140, 82980, 86668, 99576, 101520, 108335, 110640, 121824, 124470, 130002, 132768, 149364, 152280, 165960, 173336, 186705, 195003, 199152, 203040, 216670, 221280, 248940, 260004, 298728, 304560, 325005, 331920, 346672, 373410, 390006, 398304, 433340, 497880, 520008, 585009, 597456, 609120, 650010, 663840, 693344, 746820, 780012, 866680, 975015, 995760, 1040016, 1170018, 1194912, 1300020, 1493640, 1560024, 1733360, 1755027, 1950030, 1991520, 2080032, 2340036, 2600040, 2925045, 2987280, 3120048, 3466720, 3510054, 3900060, 4680072, 5200080, 5850090, 5974560, 6240096, 7020108, 7800120, 8775135, 9360144, 10400160, 11700180, 14040216, 15600240, 17550270, 18720288, 23400360, 28080432, 31200480, 35100540, 46800720, 56160864, 70201080, 93601440, 140402160, 280804320]

約数ペア:

[(1, 280804320), (2, 140402160), (3, 93601440), (4, 70201080), (5, 56160864), (6, 46800720), (8, 35100540), (9, 31200480), (10, 28080432), (12, 23400360), (15, 18720288), (16, 17550270), (18, 15600240), (20, 14040216), (24, 11700180), (27, 10400160), (30, 9360144), (32, 8775135), (36, 7800120), (40, 7020108), (45, 6240096), (47, 5974560), (48, 5850090), (54, 5200080), (60, 4680072), (72, 3900060), (80, 3510054), (81, 3466720), (90, 3120048), (94, 2987280), (96, 2925045), (108, 2600040), (120, 2340036), (135, 2080032), (141, 1991520), (144, 1950030), (160, 1755027), (162, 1733360), (180, 1560024), (188, 1493640), (216, 1300020), (235, 1194912), (240, 1170018), (270, 1040016), (282, 995760), (288, 975015), (324, 866680), (360, 780012), (376, 746820), (405, 693344), (423, 663840), (432, 650010), (461, 609120), (470, 597456), (480, 585009), (540, 520008), (564, 497880), (648, 433340), (705, 398304), (720, 390006), (752, 373410), (810, 346672), (846, 331920), (864, 325005), (922, 304560), (940, 298728), (1080, 260004), (1128, 248940), (1269, 221280), (1296, 216670), (1383, 203040), (1410, 199152), (1440, 195003), (1504, 186705), (1620, 173336), (1692, 165960), (1844, 152280), (1880, 149364), (2115, 132768), (2160, 130002), (2256, 124470), (2305, 121824), (2538, 110640), (2592, 108335), (2766, 101520), (2820, 99576), (3240, 86668), (3384, 82980), (3688, 76140), (3760, 74682), (3807, 73760), (4149, 67680), (4230, 66384), (4320, 65001), (4512, 62235), (4610, 60912), (5076, 55320), (5532, 50760), (5640, 49788), (6345, 44256), (6480, 43334), (6768, 41490), (6915, 40608), (7376, 38070), (7520, 37341), (7614, 36880), (8298, 33840), (8460, 33192), (9220, 30456), (10152, 27660), (11064, 25380), (11280, 24894), (12447, 22560), (12690, 22128), (12960, 21667), (13536, 20745), (13830, 20304), (14752, 19035), (15228, 18440), (16596, 16920)]