280903920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{569}}^1$

素因数の和:624

約数の個数: 240

約数和(自身を含む): 1015247520

約数和(自身を除く): 734343600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 17, 20, 22, 24, 30, 33, 34, 40, 44, 48, 51, 55, 60, 66, 68, 80, 85, 88, 102, 110, 120, 121, 132, 136, 165, 170, 176, 187, 204, 220, 240, 242, 255, 264, 272, 330, 340, 363, 374, 408, 440, 484, 510, 528, 561, 569, 605, 660, 680, 726, 748, 816, 880, 935, 968, 1020, 1122, 1138, 1210, 1320, 1360, 1452, 1496, 1707, 1815, 1870, 1936, 2040, 2057, 2244, 2276, 2420, 2640, 2805, 2845, 2904, 2992, 3414, 3630, 3740, 4080, 4114, 4488, 4552, 4840, 5610, 5690, 5808, 6171, 6259, 6828, 7260, 7480, 8228, 8535, 8976, 9104, 9673, 9680, 10285, 11220, 11380, 12342, 12518, 13656, 14520, 14960, 16456, 17070, 18777, 19346, 20570, 22440, 22760, 24684, 25036, 27312, 29019, 29040, 30855, 31295, 32912, 34140, 37554, 38692, 41140, 44880, 45520, 48365, 49368, 50072, 58038, 61710, 62590, 68280, 68849, 75108, 77384, 82280, 93885, 96730, 98736, 100144, 106403, 116076, 123420, 125180, 136560, 137698, 145095, 150216, 154768, 164560, 187770, 193460, 206547, 212806, 232152, 246840, 250360, 275396, 290190, 300432, 319209, 344245, 375540, 386920, 413094, 425612, 464304, 493680, 500720, 532015, 550792, 580380, 638418, 688490, 751080, 773840, 826188, 851224, 1032735, 1064030, 1101584, 1160760, 1170433, 1276836, 1376980, 1502160, 1596045, 1652376, 1702448, 2065470, 2128060, 2321520, 2340866, 2553672, 2753960, 3192090, 3304752, 3511299, 4130940, 4256120, 4681732, 5107344, 5507920, 5852165, 6384180, 7022598, 8261880, 8512240, 9363464, 11704330, 12768360, 14045196, 16523760, 17556495, 18726928, 23408660, 25536720, 28090392, 35112990, 46817320, 56180784, 70225980, 93634640, 140451960, 280903920]

約数ペア:

[(1, 280903920), (2, 140451960), (3, 93634640), (4, 70225980), (5, 56180784), (6, 46817320), (8, 35112990), (10, 28090392), (11, 25536720), (12, 23408660), (15, 18726928), (16, 17556495), (17, 16523760), (20, 14045196), (22, 12768360), (24, 11704330), (30, 9363464), (33, 8512240), (34, 8261880), (40, 7022598), (44, 6384180), (48, 5852165), (51, 5507920), (55, 5107344), (60, 4681732), (66, 4256120), (68, 4130940), (80, 3511299), (85, 3304752), (88, 3192090), (102, 2753960), (110, 2553672), (120, 2340866), (121, 2321520), (132, 2128060), (136, 2065470), (165, 1702448), (170, 1652376), (176, 1596045), (187, 1502160), (204, 1376980), (220, 1276836), (240, 1170433), (242, 1160760), (255, 1101584), (264, 1064030), (272, 1032735), (330, 851224), (340, 826188), (363, 773840), (374, 751080), (408, 688490), (440, 638418), (484, 580380), (510, 550792), (528, 532015), (561, 500720), (569, 493680), (605, 464304), (660, 425612), (680, 413094), (726, 386920), (748, 375540), (816, 344245), (880, 319209), (935, 300432), (968, 290190), (1020, 275396), (1122, 250360), (1138, 246840), (1210, 232152), (1320, 212806), (1360, 206547), (1452, 193460), (1496, 187770), (1707, 164560), (1815, 154768), (1870, 150216), (1936, 145095), (2040, 137698), (2057, 136560), (2244, 125180), (2276, 123420), (2420, 116076), (2640, 106403), (2805, 100144), (2845, 98736), (2904, 96730), (2992, 93885), (3414, 82280), (3630, 77384), (3740, 75108), (4080, 68849), (4114, 68280), (4488, 62590), (4552, 61710), (4840, 58038), (5610, 50072), (5690, 49368), (5808, 48365), (6171, 45520), (6259, 44880), (6828, 41140), (7260, 38692), (7480, 37554), (8228, 34140), (8535, 32912), (8976, 31295), (9104, 30855), (9673, 29040), (9680, 29019), (10285, 27312), (11220, 25036), (11380, 24684), (12342, 22760), (12518, 22440), (13656, 20570), (14520, 19346), (14960, 18777), (16456, 17070)]