120020004

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{317}}^1\times {\mathrm{809}}^1$

素因数の和:1149

約数の個数: 72

約数和(自身を含む): 328156920

約数和(自身を除く): 208136916

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 317, 468, 634, 809, 951, 1268, 1618, 1902, 2427, 2853, 3236, 3804, 4121, 4854, 5706, 7281, 8242, 9708, 10517, 11412, 12363, 14562, 16484, 21034, 24726, 29124, 31551, 37089, 42068, 49452, 63102, 74178, 94653, 126204, 148356, 189306, 256453, 378612, 512906, 769359, 1025812, 1538718, 2308077, 3077436, 3333889, 4616154, 6667778, 9232308, 10001667, 13335556, 20003334, 30005001, 40006668, 60010002, 120020004]

約数ペア:

[(1, 120020004), (2, 60010002), (3, 40006668), (4, 30005001), (6, 20003334), (9, 13335556), (12, 10001667), (13, 9232308), (18, 6667778), (26, 4616154), (36, 3333889), (39, 3077436), (52, 2308077), (78, 1538718), (117, 1025812), (156, 769359), (234, 512906), (317, 378612), (468, 256453), (634, 189306), (809, 148356), (951, 126204), (1268, 94653), (1618, 74178), (1902, 63102), (2427, 49452), (2853, 42068), (3236, 37089), (3804, 31551), (4121, 29124), (4854, 24726), (5706, 21034), (7281, 16484), (8242, 14562), (9708, 12363), (10517, 11412)]