28003080

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:128

約数の個数: 256

約数和(自身を含む): 106375680

約数和(自身を除く): 78372600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 17, 20, 21, 24, 28, 30, 34, 35, 37, 40, 42, 51, 53, 56, 60, 68, 70, 74, 84, 85, 102, 105, 106, 111, 119, 120, 136, 140, 148, 159, 168, 170, 185, 204, 210, 212, 222, 238, 255, 259, 265, 280, 296, 318, 340, 357, 370, 371, 408, 420, 424, 444, 476, 510, 518, 530, 555, 595, 629, 636, 680, 714, 740, 742, 777, 795, 840, 888, 901, 952, 1020, 1036, 1060, 1110, 1113, 1190, 1258, 1272, 1295, 1428, 1480, 1484, 1554, 1590, 1785, 1802, 1855, 1887, 1961, 2040, 2072, 2120, 2220, 2226, 2380, 2516, 2590, 2703, 2856, 2968, 3108, 3145, 3180, 3570, 3604, 3710, 3774, 3885, 3922, 4403, 4440, 4452, 4505, 4760, 5032, 5180, 5406, 5565, 5883, 6216, 6290, 6307, 6360, 7140, 7208, 7420, 7548, 7770, 7844, 8806, 8904, 9010, 9435, 9805, 10360, 10812, 11130, 11766, 12580, 12614, 13209, 13515, 13727, 14280, 14840, 15096, 15540, 15688, 17612, 18020, 18870, 18921, 19610, 21624, 22015, 22260, 23532, 25160, 25228, 26418, 27030, 27454, 29415, 31080, 31535, 33337, 35224, 36040, 37740, 37842, 39220, 41181, 44030, 44520, 47064, 50456, 52836, 54060, 54908, 58830, 63070, 66045, 66674, 68635, 75480, 75684, 78440, 82362, 88060, 94605, 100011, 105672, 108120, 109816, 117660, 126140, 132090, 133348, 137270, 151368, 164724, 166685, 176120, 189210, 200022, 205905, 233359, 235320, 252280, 264180, 266696, 274540, 329448, 333370, 378420, 400044, 411810, 466718, 500055, 528360, 549080, 666740, 700077, 756840, 800088, 823620, 933436, 1000110, 1166795, 1333480, 1400154, 1647240, 1866872, 2000220, 2333590, 2800308, 3500385, 4000440, 4667180, 5600616, 7000770, 9334360, 14001540, 28003080]

約数ペア:

[(1, 28003080), (2, 14001540), (3, 9334360), (4, 7000770), (5, 5600616), (6, 4667180), (7, 4000440), (8, 3500385), (10, 2800308), (12, 2333590), (14, 2000220), (15, 1866872), (17, 1647240), (20, 1400154), (21, 1333480), (24, 1166795), (28, 1000110), (30, 933436), (34, 823620), (35, 800088), (37, 756840), (40, 700077), (42, 666740), (51, 549080), (53, 528360), (56, 500055), (60, 466718), (68, 411810), (70, 400044), (74, 378420), (84, 333370), (85, 329448), (102, 274540), (105, 266696), (106, 264180), (111, 252280), (119, 235320), (120, 233359), (136, 205905), (140, 200022), (148, 189210), (159, 176120), (168, 166685), (170, 164724), (185, 151368), (204, 137270), (210, 133348), (212, 132090), (222, 126140), (238, 117660), (255, 109816), (259, 108120), (265, 105672), (280, 100011), (296, 94605), (318, 88060), (340, 82362), (357, 78440), (370, 75684), (371, 75480), (408, 68635), (420, 66674), (424, 66045), (444, 63070), (476, 58830), (510, 54908), (518, 54060), (530, 52836), (555, 50456), (595, 47064), (629, 44520), (636, 44030), (680, 41181), (714, 39220), (740, 37842), (742, 37740), (777, 36040), (795, 35224), (840, 33337), (888, 31535), (901, 31080), (952, 29415), (1020, 27454), (1036, 27030), (1060, 26418), (1110, 25228), (1113, 25160), (1190, 23532), (1258, 22260), (1272, 22015), (1295, 21624), (1428, 19610), (1480, 18921), (1484, 18870), (1554, 18020), (1590, 17612), (1785, 15688), (1802, 15540), (1855, 15096), (1887, 14840), (1961, 14280), (2040, 13727), (2072, 13515), (2120, 13209), (2220, 12614), (2226, 12580), (2380, 11766), (2516, 11130), (2590, 10812), (2703, 10360), (2856, 9805), (2968, 9435), (3108, 9010), (3145, 8904), (3180, 8806), (3570, 7844), (3604, 7770), (3710, 7548), (3774, 7420), (3885, 7208), (3922, 7140), (4403, 6360), (4440, 6307), (4452, 6290), (4505, 6216), (4760, 5883), (5032, 5565), (5180, 5406)]