78401466

素因数分解:

$2^1\times 3^3\times {\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{71}}^1$

素因数の和:130

約数の個数: 144

約数和(自身を含む): 210288960

約数和(自身を除く): 131887494

約数列:

[1, 2, 3, 6, 9, 11, 13, 18, 22, 26, 27, 33, 39, 54, 66, 71, 78, 99, 117, 121, 142, 143, 169, 198, 213, 234, 242, 286, 297, 338, 351, 363, 426, 429, 507, 594, 639, 702, 726, 781, 858, 923, 1014, 1089, 1278, 1287, 1521, 1562, 1573, 1846, 1859, 1917, 2178, 2343, 2574, 2769, 3042, 3146, 3267, 3718, 3834, 3861, 4563, 4686, 4719, 5538, 5577, 6534, 7029, 7722, 8307, 8591, 9126, 9438, 10153, 11154, 11999, 14058, 14157, 16614, 16731, 17182, 20306, 20449, 21087, 23998, 24921, 25773, 28314, 30459, 33462, 35997, 40898, 42174, 42471, 49842, 50193, 51546, 60918, 61347, 71994, 77319, 84942, 91377, 100386, 107991, 111683, 122694, 131989, 154638, 182754, 184041, 215982, 223366, 231957, 263978, 274131, 323973, 335049, 368082, 395967, 463914, 548262, 552123, 647946, 670098, 791934, 1005147, 1104246, 1187901, 1451879, 2010294, 2375802, 2903758, 3015441, 3563703, 4355637, 6030882, 7127406, 8711274, 13066911, 26133822, 39200733, 78401466]

約数ペア:

[(1, 78401466), (2, 39200733), (3, 26133822), (6, 13066911), (9, 8711274), (11, 7127406), (13, 6030882), (18, 4355637), (22, 3563703), (26, 3015441), (27, 2903758), (33, 2375802), (39, 2010294), (54, 1451879), (66, 1187901), (71, 1104246), (78, 1005147), (99, 791934), (117, 670098), (121, 647946), (142, 552123), (143, 548262), (169, 463914), (198, 395967), (213, 368082), (234, 335049), (242, 323973), (286, 274131), (297, 263978), (338, 231957), (351, 223366), (363, 215982), (426, 184041), (429, 182754), (507, 154638), (594, 131989), (639, 122694), (702, 111683), (726, 107991), (781, 100386), (858, 91377), (923, 84942), (1014, 77319), (1089, 71994), (1278, 61347), (1287, 60918), (1521, 51546), (1562, 50193), (1573, 49842), (1846, 42471), (1859, 42174), (1917, 40898), (2178, 35997), (2343, 33462), (2574, 30459), (2769, 28314), (3042, 25773), (3146, 24921), (3267, 23998), (3718, 21087), (3834, 20449), (3861, 20306), (4563, 17182), (4686, 16731), (4719, 16614), (5538, 14157), (5577, 14058), (6534, 11999), (7029, 11154), (7722, 10153), (8307, 9438), (8591, 9126)]