720508488

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{263}}^1\times {\mathrm{709}}^1$

素因数の和:1011

約数の個数: 128

約数和(自身を含む): 2159308800

約数和(自身を除く): 1438800312

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 23, 24, 28, 42, 46, 56, 69, 84, 92, 138, 161, 168, 184, 263, 276, 322, 483, 526, 552, 644, 709, 789, 966, 1052, 1288, 1418, 1578, 1841, 1932, 2104, 2127, 2836, 3156, 3682, 3864, 4254, 4963, 5523, 5672, 6049, 6312, 7364, 8508, 9926, 11046, 12098, 14728, 14889, 16307, 17016, 18147, 19852, 22092, 24196, 29778, 32614, 36294, 39704, 42343, 44184, 48392, 48921, 59556, 65228, 72588, 84686, 97842, 114149, 119112, 127029, 130456, 145176, 169372, 186467, 195684, 228298, 254058, 338744, 342447, 372934, 391368, 456596, 508116, 559401, 684894, 745868, 913192, 1016232, 1118802, 1305269, 1369788, 1491736, 2237604, 2610538, 2739576, 3915807, 4288741, 4475208, 5221076, 7831614, 8577482, 10442152, 12866223, 15663228, 17154964, 25732446, 30021187, 31326456, 34309928, 51464892, 60042374, 90063561, 102929784, 120084748, 180127122, 240169496, 360254244, 720508488]

約数ペア:

[(1, 720508488), (2, 360254244), (3, 240169496), (4, 180127122), (6, 120084748), (7, 102929784), (8, 90063561), (12, 60042374), (14, 51464892), (21, 34309928), (23, 31326456), (24, 30021187), (28, 25732446), (42, 17154964), (46, 15663228), (56, 12866223), (69, 10442152), (84, 8577482), (92, 7831614), (138, 5221076), (161, 4475208), (168, 4288741), (184, 3915807), (263, 2739576), (276, 2610538), (322, 2237604), (483, 1491736), (526, 1369788), (552, 1305269), (644, 1118802), (709, 1016232), (789, 913192), (966, 745868), (1052, 684894), (1288, 559401), (1418, 508116), (1578, 456596), (1841, 391368), (1932, 372934), (2104, 342447), (2127, 338744), (2836, 254058), (3156, 228298), (3682, 195684), (3864, 186467), (4254, 169372), (4963, 145176), (5523, 130456), (5672, 127029), (6049, 119112), (6312, 114149), (7364, 97842), (8508, 84686), (9926, 72588), (11046, 65228), (12098, 59556), (14728, 48921), (14889, 48392), (16307, 44184), (17016, 42343), (18147, 39704), (19852, 36294), (22092, 32614), (24196, 29778)]