161370468

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:704

約数の個数: 144

約数和(自身を含む): 497288064

約数和(自身を除く): 335917596

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 37, 42, 54, 63, 74, 81, 84, 108, 111, 126, 148, 162, 189, 222, 243, 252, 259, 324, 333, 378, 444, 486, 518, 567, 641, 666, 756, 777, 972, 999, 1036, 1134, 1282, 1332, 1554, 1701, 1923, 1998, 2268, 2331, 2564, 2997, 3108, 3402, 3846, 3996, 4487, 4662, 5769, 5994, 6804, 6993, 7692, 8974, 8991, 9324, 11538, 11988, 13461, 13986, 17307, 17948, 17982, 20979, 23076, 23717, 26922, 27972, 34614, 35964, 40383, 41958, 47434, 51921, 53844, 62937, 69228, 71151, 80766, 83916, 94868, 103842, 121149, 125874, 142302, 155763, 161532, 166019, 207684, 213453, 242298, 251748, 284604, 311526, 332038, 363447, 426906, 484596, 498057, 623052, 640359, 664076, 726894, 853812, 996114, 1090341, 1280718, 1453788, 1494171, 1921077, 1992228, 2180682, 2561436, 2988342, 3842154, 4361364, 4482513, 5763231, 5976684, 7684308, 8965026, 11526462, 13447539, 17930052, 23052924, 26895078, 40342617, 53790156, 80685234, 161370468]

約数ペア:

[(1, 161370468), (2, 80685234), (3, 53790156), (4, 40342617), (6, 26895078), (7, 23052924), (9, 17930052), (12, 13447539), (14, 11526462), (18, 8965026), (21, 7684308), (27, 5976684), (28, 5763231), (36, 4482513), (37, 4361364), (42, 3842154), (54, 2988342), (63, 2561436), (74, 2180682), (81, 1992228), (84, 1921077), (108, 1494171), (111, 1453788), (126, 1280718), (148, 1090341), (162, 996114), (189, 853812), (222, 726894), (243, 664076), (252, 640359), (259, 623052), (324, 498057), (333, 484596), (378, 426906), (444, 363447), (486, 332038), (518, 311526), (567, 284604), (641, 251748), (666, 242298), (756, 213453), (777, 207684), (972, 166019), (999, 161532), (1036, 155763), (1134, 142302), (1282, 125874), (1332, 121149), (1554, 103842), (1701, 94868), (1923, 83916), (1998, 80766), (2268, 71151), (2331, 69228), (2564, 62937), (2997, 53844), (3108, 51921), (3402, 47434), (3846, 41958), (3996, 40383), (4487, 35964), (4662, 34614), (5769, 27972), (5994, 26922), (6804, 23717), (6993, 23076), (7692, 20979), (8974, 17982), (8991, 17948), (9324, 17307), (11538, 13986), (11988, 13461)]