15661488255

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{263}}^1\times {\mathrm{457}}^1$

素因数の和:825

約数の個数: 128

約数和(自身を含む): 30922518528

約数和(自身を除く): 15261030273

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 51, 73, 85, 105, 119, 219, 255, 263, 357, 365, 457, 511, 595, 789, 1095, 1241, 1315, 1371, 1533, 1785, 1841, 2285, 2555, 3199, 3723, 3945, 4471, 5523, 6205, 6855, 7665, 7769, 8687, 9205, 9597, 13413, 15995, 18615, 19199, 22355, 23307, 26061, 27615, 31297, 33361, 38845, 43435, 47985, 54383, 57597, 67065, 93891, 95995, 100083, 116535, 120191, 130305, 134393, 156485, 163149, 166805, 233527, 271915, 287985, 326383, 360573, 403179, 469455, 500415, 567137, 600955, 671965, 700581, 815745, 841337, 979149, 1167635, 1631915, 1701411, 1802865, 2015895, 2043247, 2284681, 2524011, 2835685, 3502905, 3969959, 4206685, 4895745, 6129741, 6854043, 8507055, 8773943, 10216235, 11423405, 11909877, 12620055, 14302729, 19849795, 26321829, 30648705, 34270215, 42908187, 43869715, 59549385, 61417601, 71513645, 131609145, 149157031, 184252803, 214540935, 307088005, 447471093, 745785155, 921264015, 1044099217, 2237355465, 3132297651, 5220496085, 15661488255]

約数ペア:

[(1, 15661488255), (3, 5220496085), (5, 3132297651), (7, 2237355465), (15, 1044099217), (17, 921264015), (21, 745785155), (35, 447471093), (51, 307088005), (73, 214540935), (85, 184252803), (105, 149157031), (119, 131609145), (219, 71513645), (255, 61417601), (263, 59549385), (357, 43869715), (365, 42908187), (457, 34270215), (511, 30648705), (595, 26321829), (789, 19849795), (1095, 14302729), (1241, 12620055), (1315, 11909877), (1371, 11423405), (1533, 10216235), (1785, 8773943), (1841, 8507055), (2285, 6854043), (2555, 6129741), (3199, 4895745), (3723, 4206685), (3945, 3969959), (4471, 3502905), (5523, 2835685), (6205, 2524011), (6855, 2284681), (7665, 2043247), (7769, 2015895), (8687, 1802865), (9205, 1701411), (9597, 1631915), (13413, 1167635), (15995, 979149), (18615, 841337), (19199, 815745), (22355, 700581), (23307, 671965), (26061, 600955), (27615, 567137), (31297, 500415), (33361, 469455), (38845, 403179), (43435, 360573), (47985, 326383), (54383, 287985), (57597, 271915), (67065, 233527), (93891, 166805), (95995, 163149), (100083, 156485), (116535, 134393), (120191, 130305)]