1640751606

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:591

約数の個数: 128

約数和(自身を含む): 4066608000

約数和(自身を除く): 2425856394

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 37, 39, 54, 74, 78, 111, 117, 181, 222, 234, 333, 349, 351, 362, 481, 543, 666, 698, 702, 962, 999, 1047, 1086, 1443, 1629, 1998, 2094, 2353, 2886, 3141, 3258, 4329, 4537, 4706, 4887, 6282, 6697, 7059, 8658, 9074, 9423, 9774, 12913, 12987, 13394, 13611, 14118, 18846, 20091, 21177, 25826, 25974, 27222, 38739, 40182, 40833, 42354, 60273, 63169, 63531, 77478, 81666, 87061, 116217, 120546, 122499, 126338, 127062, 167869, 174122, 180819, 189507, 232434, 244998, 261183, 335738, 348651, 361638, 379014, 503607, 522366, 568521, 697302, 783549, 821197, 1007214, 1137042, 1510821, 1567098, 1642394, 1705563, 2337253, 2350647, 2463591, 3021642, 3411126, 4532463, 4674506, 4701294, 4927182, 7011759, 7390773, 9064926, 14023518, 14781546, 21035277, 22172319, 30384289, 42070554, 44344638, 60768578, 63105831, 91152867, 126211662, 182305734, 273458601, 546917202, 820375803, 1640751606]

約数ペア:

[(1, 1640751606), (2, 820375803), (3, 546917202), (6, 273458601), (9, 182305734), (13, 126211662), (18, 91152867), (26, 63105831), (27, 60768578), (37, 44344638), (39, 42070554), (54, 30384289), (74, 22172319), (78, 21035277), (111, 14781546), (117, 14023518), (181, 9064926), (222, 7390773), (234, 7011759), (333, 4927182), (349, 4701294), (351, 4674506), (362, 4532463), (481, 3411126), (543, 3021642), (666, 2463591), (698, 2350647), (702, 2337253), (962, 1705563), (999, 1642394), (1047, 1567098), (1086, 1510821), (1443, 1137042), (1629, 1007214), (1998, 821197), (2094, 783549), (2353, 697302), (2886, 568521), (3141, 522366), (3258, 503607), (4329, 379014), (4537, 361638), (4706, 348651), (4887, 335738), (6282, 261183), (6697, 244998), (7059, 232434), (8658, 189507), (9074, 180819), (9423, 174122), (9774, 167869), (12913, 127062), (12987, 126338), (13394, 122499), (13611, 120546), (14118, 116217), (18846, 87061), (20091, 81666), (21177, 77478), (25826, 63531), (25974, 63169), (27222, 60273), (38739, 42354), (40182, 40833)]