28795620

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1$

素因数の和:182

約数の個数: 192

約数和(自身を含む): 101122560

約数和(自身を除く): 72326940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 17, 20, 21, 28, 30, 34, 35, 37, 42, 51, 60, 68, 70, 74, 84, 85, 102, 105, 109, 111, 119, 140, 148, 170, 185, 204, 210, 218, 222, 238, 255, 259, 327, 340, 357, 370, 420, 436, 444, 476, 510, 518, 545, 555, 595, 629, 654, 714, 740, 763, 777, 1020, 1036, 1090, 1110, 1190, 1258, 1295, 1308, 1428, 1526, 1554, 1635, 1785, 1853, 1887, 2180, 2220, 2289, 2380, 2516, 2590, 3052, 3108, 3145, 3270, 3570, 3706, 3774, 3815, 3885, 4033, 4403, 4578, 5180, 5559, 6290, 6540, 7140, 7412, 7548, 7630, 7770, 8066, 8806, 9156, 9265, 9435, 11118, 11445, 12099, 12580, 12971, 13209, 15260, 15540, 16132, 17612, 18530, 18870, 20165, 22015, 22236, 22890, 24198, 25942, 26418, 27795, 28231, 37060, 37740, 38913, 40330, 44030, 45780, 48396, 51884, 52836, 55590, 56462, 60495, 64855, 66045, 68561, 77826, 80660, 84693, 88060, 111180, 112924, 120990, 129710, 132090, 137122, 141155, 155652, 169386, 194565, 205683, 241980, 259420, 264180, 274244, 282310, 338772, 342805, 389130, 411366, 423465, 479927, 564620, 685610, 778260, 822732, 846930, 959854, 1028415, 1371220, 1439781, 1693860, 1919708, 2056830, 2399635, 2879562, 4113660, 4799270, 5759124, 7198905, 9598540, 14397810, 28795620]

約数ペア:

[(1, 28795620), (2, 14397810), (3, 9598540), (4, 7198905), (5, 5759124), (6, 4799270), (7, 4113660), (10, 2879562), (12, 2399635), (14, 2056830), (15, 1919708), (17, 1693860), (20, 1439781), (21, 1371220), (28, 1028415), (30, 959854), (34, 846930), (35, 822732), (37, 778260), (42, 685610), (51, 564620), (60, 479927), (68, 423465), (70, 411366), (74, 389130), (84, 342805), (85, 338772), (102, 282310), (105, 274244), (109, 264180), (111, 259420), (119, 241980), (140, 205683), (148, 194565), (170, 169386), (185, 155652), (204, 141155), (210, 137122), (218, 132090), (222, 129710), (238, 120990), (255, 112924), (259, 111180), (327, 88060), (340, 84693), (357, 80660), (370, 77826), (420, 68561), (436, 66045), (444, 64855), (476, 60495), (510, 56462), (518, 55590), (545, 52836), (555, 51884), (595, 48396), (629, 45780), (654, 44030), (714, 40330), (740, 38913), (763, 37740), (777, 37060), (1020, 28231), (1036, 27795), (1090, 26418), (1110, 25942), (1190, 24198), (1258, 22890), (1295, 22236), (1308, 22015), (1428, 20165), (1526, 18870), (1554, 18530), (1635, 17612), (1785, 16132), (1853, 15540), (1887, 15260), (2180, 13209), (2220, 12971), (2289, 12580), (2380, 12099), (2516, 11445), (2590, 11118), (3052, 9435), (3108, 9265), (3145, 9156), (3270, 8806), (3570, 8066), (3706, 7770), (3774, 7630), (3815, 7548), (3885, 7412), (4033, 7140), (4403, 6540), (4578, 6290), (5180, 5559)]