178804908

素因数分解:

$2^2\times 3^4\times {\mathrm{61}}^1\times {\mathrm{83}}^1\times {\mathrm{109}}^1$

素因数の和:269

約数の個数: 120

約数和(自身を含む): 485229360

約数和(自身を除く): 306424452

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 61, 81, 83, 108, 109, 122, 162, 166, 183, 218, 244, 249, 324, 327, 332, 366, 436, 498, 549, 654, 732, 747, 981, 996, 1098, 1308, 1494, 1647, 1962, 2196, 2241, 2943, 2988, 3294, 3924, 4482, 4941, 5063, 5886, 6588, 6649, 6723, 8829, 8964, 9047, 9882, 10126, 11772, 13298, 13446, 15189, 17658, 18094, 19764, 19947, 20252, 26596, 26892, 27141, 30378, 35316, 36188, 39894, 45567, 54282, 59841, 60756, 79788, 81423, 91134, 108564, 119682, 136701, 162846, 179523, 182268, 239364, 244269, 273402, 325692, 359046, 410103, 488538, 538569, 546804, 551867, 718092, 732807, 820206, 977076, 1077138, 1103734, 1465614, 1640412, 1655601, 2154276, 2207468, 2931228, 3311202, 4966803, 6622404, 9933606, 14900409, 19867212, 29800818, 44701227, 59601636, 89402454, 178804908]

約数ペア:

[(1, 178804908), (2, 89402454), (3, 59601636), (4, 44701227), (6, 29800818), (9, 19867212), (12, 14900409), (18, 9933606), (27, 6622404), (36, 4966803), (54, 3311202), (61, 2931228), (81, 2207468), (83, 2154276), (108, 1655601), (109, 1640412), (122, 1465614), (162, 1103734), (166, 1077138), (183, 977076), (218, 820206), (244, 732807), (249, 718092), (324, 551867), (327, 546804), (332, 538569), (366, 488538), (436, 410103), (498, 359046), (549, 325692), (654, 273402), (732, 244269), (747, 239364), (981, 182268), (996, 179523), (1098, 162846), (1308, 136701), (1494, 119682), (1647, 108564), (1962, 91134), (2196, 81423), (2241, 79788), (2943, 60756), (2988, 59841), (3294, 54282), (3924, 45567), (4482, 39894), (4941, 36188), (5063, 35316), (5886, 30378), (6588, 27141), (6649, 26892), (6723, 26596), (8829, 20252), (8964, 19947), (9047, 19764), (9882, 18094), (10126, 17658), (11772, 15189), (13298, 13446)]