721844676

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{136403}}^1$

素因数の和:136430

約数の個数: 72

約数和(自身を含む): 2177007840

約数和(自身を除く): 1455163164

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 294, 378, 441, 588, 756, 882, 1323, 1764, 2646, 5292, 136403, 272806, 409209, 545612, 818418, 954821, 1227627, 1636836, 1909642, 2455254, 2864463, 3682881, 3819284, 4910508, 5728926, 6683747, 7365762, 8593389, 11457852, 13367494, 14731524, 17186778, 20051241, 25780167, 26734988, 34373556, 40102482, 51560334, 60153723, 80204964, 103120668, 120307446, 180461169, 240614892, 360922338, 721844676]

約数ペア:

[(1, 721844676), (2, 360922338), (3, 240614892), (4, 180461169), (6, 120307446), (7, 103120668), (9, 80204964), (12, 60153723), (14, 51560334), (18, 40102482), (21, 34373556), (27, 26734988), (28, 25780167), (36, 20051241), (42, 17186778), (49, 14731524), (54, 13367494), (63, 11457852), (84, 8593389), (98, 7365762), (108, 6683747), (126, 5728926), (147, 4910508), (189, 3819284), (196, 3682881), (252, 2864463), (294, 2455254), (378, 1909642), (441, 1636836), (588, 1227627), (756, 954821), (882, 818418), (1323, 545612), (1764, 409209), (2646, 272806), (5292, 136403)]