30620988

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1$

素因数の和:335

約数の個数: 72

約数和(自身を含む): 80336256

約数和(自身を除く): 49715268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 86, 129, 131, 151, 172, 258, 262, 302, 387, 393, 453, 516, 524, 604, 774, 786, 906, 1179, 1359, 1548, 1572, 1812, 2358, 2718, 4716, 5436, 5633, 6493, 11266, 12986, 16899, 19479, 19781, 22532, 25972, 33798, 38958, 39562, 50697, 58437, 59343, 67596, 77916, 79124, 101394, 116874, 118686, 178029, 202788, 233748, 237372, 356058, 712116, 850583, 1701166, 2551749, 3402332, 5103498, 7655247, 10206996, 15310494, 30620988]

約数ペア:

[(1, 30620988), (2, 15310494), (3, 10206996), (4, 7655247), (6, 5103498), (9, 3402332), (12, 2551749), (18, 1701166), (36, 850583), (43, 712116), (86, 356058), (129, 237372), (131, 233748), (151, 202788), (172, 178029), (258, 118686), (262, 116874), (302, 101394), (387, 79124), (393, 77916), (453, 67596), (516, 59343), (524, 58437), (604, 50697), (774, 39562), (786, 38958), (906, 33798), (1179, 25972), (1359, 22532), (1548, 19781), (1572, 19479), (1812, 16899), (2358, 12986), (2718, 11266), (4716, 6493), (5436, 5633)]