81103260

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{307}}^1$

素因数の和:380

約数の個数: 192

約数和(自身を含む): 283143168

約数和(自身を除く): 202039908

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, 111, 119, 140, 148, 170, 185, 204, 210, 222, 238, 255, 259, 307, 340, 357, 370, 420, 444, 476, 510, 518, 555, 595, 614, 629, 714, 740, 777, 921, 1020, 1036, 1110, 1190, 1228, 1258, 1295, 1428, 1535, 1554, 1785, 1842, 1887, 2149, 2220, 2380, 2516, 2590, 3070, 3108, 3145, 3570, 3684, 3774, 3885, 4298, 4403, 4605, 5180, 5219, 6140, 6290, 6447, 7140, 7548, 7770, 8596, 8806, 9210, 9435, 10438, 10745, 11359, 12580, 12894, 13209, 15540, 15657, 17612, 18420, 18870, 20876, 21490, 22015, 22718, 25788, 26095, 26418, 31314, 32235, 34077, 36533, 37740, 42980, 44030, 45436, 52190, 52836, 56795, 62628, 64470, 66045, 68154, 73066, 78285, 79513, 88060, 104380, 109599, 113590, 128940, 132090, 136308, 146132, 156570, 159026, 170385, 182665, 193103, 219198, 227180, 238539, 264180, 313140, 318052, 340770, 365330, 386206, 397565, 438396, 477078, 547995, 579309, 681540, 730660, 772412, 795130, 954156, 965515, 1095990, 1158618, 1192695, 1351721, 1590260, 1931030, 2191980, 2317236, 2385390, 2703442, 2896545, 3862060, 4055163, 4770780, 5406884, 5793090, 6758605, 8110326, 11586180, 13517210, 16220652, 20275815, 27034420, 40551630, 81103260]

約数ペア:

[(1, 81103260), (2, 40551630), (3, 27034420), (4, 20275815), (5, 16220652), (6, 13517210), (7, 11586180), (10, 8110326), (12, 6758605), (14, 5793090), (15, 5406884), (17, 4770780), (20, 4055163), (21, 3862060), (28, 2896545), (30, 2703442), (34, 2385390), (35, 2317236), (37, 2191980), (42, 1931030), (51, 1590260), (60, 1351721), (68, 1192695), (70, 1158618), (74, 1095990), (84, 965515), (85, 954156), (102, 795130), (105, 772412), (111, 730660), (119, 681540), (140, 579309), (148, 547995), (170, 477078), (185, 438396), (204, 397565), (210, 386206), (222, 365330), (238, 340770), (255, 318052), (259, 313140), (307, 264180), (340, 238539), (357, 227180), (370, 219198), (420, 193103), (444, 182665), (476, 170385), (510, 159026), (518, 156570), (555, 146132), (595, 136308), (614, 132090), (629, 128940), (714, 113590), (740, 109599), (777, 104380), (921, 88060), (1020, 79513), (1036, 78285), (1110, 73066), (1190, 68154), (1228, 66045), (1258, 64470), (1295, 62628), (1428, 56795), (1535, 52836), (1554, 52190), (1785, 45436), (1842, 44030), (1887, 42980), (2149, 37740), (2220, 36533), (2380, 34077), (2516, 32235), (2590, 31314), (3070, 26418), (3108, 26095), (3145, 25788), (3570, 22718), (3684, 22015), (3774, 21490), (3885, 20876), (4298, 18870), (4403, 18420), (4605, 17612), (5180, 15657), (5219, 15540), (6140, 13209), (6290, 12894), (6447, 12580), (7140, 11359), (7548, 10745), (7770, 10438), (8596, 9435), (8806, 9210)]