2561640066

素因数分解:

$2^1\times 3^4\times {\mathrm{41}}^1\times {\mathrm{227}}^1\times {\mathrm{1699}}^1$

素因数の和:1981

約数の個数: 80

約数和(自身を含む): 5909349600

約数和(自身を除く): 3347709534

約数列:

[1, 2, 3, 6, 9, 18, 27, 41, 54, 81, 82, 123, 162, 227, 246, 369, 454, 681, 738, 1107, 1362, 1699, 2043, 2214, 3321, 3398, 4086, 5097, 6129, 6642, 9307, 10194, 12258, 15291, 18387, 18614, 27921, 30582, 36774, 45873, 55842, 69659, 83763, 91746, 137619, 139318, 167526, 208977, 251289, 275238, 385673, 417954, 502578, 626931, 753867, 771346, 1157019, 1253862, 1507734, 1880793, 2314038, 3471057, 3761586, 5642379, 6942114, 10413171, 11284758, 15812593, 20826342, 31239513, 31625186, 47437779, 62479026, 94875558, 142313337, 284626674, 426940011, 853880022, 1280820033, 2561640066]

約数ペア:

[(1, 2561640066), (2, 1280820033), (3, 853880022), (6, 426940011), (9, 284626674), (18, 142313337), (27, 94875558), (41, 62479026), (54, 47437779), (81, 31625186), (82, 31239513), (123, 20826342), (162, 15812593), (227, 11284758), (246, 10413171), (369, 6942114), (454, 5642379), (681, 3761586), (738, 3471057), (1107, 2314038), (1362, 1880793), (1699, 1507734), (2043, 1253862), (2214, 1157019), (3321, 771346), (3398, 753867), (4086, 626931), (5097, 502578), (6129, 417954), (6642, 385673), (9307, 275238), (10194, 251289), (12258, 208977), (15291, 167526), (18387, 139318), (18614, 137619), (27921, 91746), (30582, 83763), (36774, 69659), (45873, 55842)]