42742728

素因数分解:

$2^3\times 3^7\times 7^1\times {\mathrm{349}}^1$

素因数の和:383

約数の個数: 128

約数和(自身を含む): 137760000

約数和(自身を除く): 95017272

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 81, 84, 108, 126, 162, 168, 189, 216, 243, 252, 324, 349, 378, 486, 504, 567, 648, 698, 729, 756, 972, 1047, 1134, 1396, 1458, 1512, 1701, 1944, 2094, 2187, 2268, 2443, 2792, 2916, 3141, 3402, 4188, 4374, 4536, 4886, 5103, 5832, 6282, 6804, 7329, 8376, 8748, 9423, 9772, 10206, 12564, 13608, 14658, 15309, 17496, 18846, 19544, 20412, 21987, 25128, 28269, 29316, 30618, 37692, 40824, 43974, 56538, 58632, 61236, 65961, 75384, 84807, 87948, 113076, 122472, 131922, 169614, 175896, 197883, 226152, 254421, 263844, 339228, 395766, 508842, 527688, 593649, 678456, 763263, 791532, 1017684, 1187298, 1526526, 1583064, 1780947, 2035368, 2374596, 3053052, 3561894, 4749192, 5342841, 6106104, 7123788, 10685682, 14247576, 21371364, 42742728]

約数ペア:

[(1, 42742728), (2, 21371364), (3, 14247576), (4, 10685682), (6, 7123788), (7, 6106104), (8, 5342841), (9, 4749192), (12, 3561894), (14, 3053052), (18, 2374596), (21, 2035368), (24, 1780947), (27, 1583064), (28, 1526526), (36, 1187298), (42, 1017684), (54, 791532), (56, 763263), (63, 678456), (72, 593649), (81, 527688), (84, 508842), (108, 395766), (126, 339228), (162, 263844), (168, 254421), (189, 226152), (216, 197883), (243, 175896), (252, 169614), (324, 131922), (349, 122472), (378, 113076), (486, 87948), (504, 84807), (567, 75384), (648, 65961), (698, 61236), (729, 58632), (756, 56538), (972, 43974), (1047, 40824), (1134, 37692), (1396, 30618), (1458, 29316), (1512, 28269), (1701, 25128), (1944, 21987), (2094, 20412), (2187, 19544), (2268, 18846), (2443, 17496), (2792, 15309), (2916, 14658), (3141, 13608), (3402, 12564), (4188, 10206), (4374, 9772), (4536, 9423), (4886, 8748), (5103, 8376), (5832, 7329), (6282, 6804)]