661527864

素因数分解:

$2^3\times 3^3\times {\mathrm{19}}^1\times {\mathrm{359}}^1\times {\mathrm{449}}^1$

素因数の和:842

約数の個数: 128

約数和(自身を含む): 1944000000

約数和(自身を除く): 1282472136

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 27, 36, 38, 54, 57, 72, 76, 108, 114, 152, 171, 216, 228, 342, 359, 449, 456, 513, 684, 718, 898, 1026, 1077, 1347, 1368, 1436, 1796, 2052, 2154, 2694, 2872, 3231, 3592, 4041, 4104, 4308, 5388, 6462, 6821, 8082, 8531, 8616, 9693, 10776, 12123, 12924, 13642, 16164, 17062, 19386, 20463, 24246, 25593, 25848, 27284, 32328, 34124, 38772, 40926, 48492, 51186, 54568, 61389, 68248, 76779, 77544, 81852, 96984, 102372, 122778, 153558, 161191, 163704, 184167, 204744, 230337, 245556, 307116, 322382, 368334, 460674, 483573, 491112, 614232, 644764, 736668, 921348, 967146, 1289528, 1450719, 1473336, 1842696, 1934292, 2901438, 3062629, 3868584, 4352157, 5802876, 6125258, 8704314, 9187887, 11605752, 12250516, 17408628, 18375774, 24501032, 27563661, 34817256, 36751548, 55127322, 73503096, 82690983, 110254644, 165381966, 220509288, 330763932, 661527864]

約数ペア:

[(1, 661527864), (2, 330763932), (3, 220509288), (4, 165381966), (6, 110254644), (8, 82690983), (9, 73503096), (12, 55127322), (18, 36751548), (19, 34817256), (24, 27563661), (27, 24501032), (36, 18375774), (38, 17408628), (54, 12250516), (57, 11605752), (72, 9187887), (76, 8704314), (108, 6125258), (114, 5802876), (152, 4352157), (171, 3868584), (216, 3062629), (228, 2901438), (342, 1934292), (359, 1842696), (449, 1473336), (456, 1450719), (513, 1289528), (684, 967146), (718, 921348), (898, 736668), (1026, 644764), (1077, 614232), (1347, 491112), (1368, 483573), (1436, 460674), (1796, 368334), (2052, 322382), (2154, 307116), (2694, 245556), (2872, 230337), (3231, 204744), (3592, 184167), (4041, 163704), (4104, 161191), (4308, 153558), (5388, 122778), (6462, 102372), (6821, 96984), (8082, 81852), (8531, 77544), (8616, 76779), (9693, 68248), (10776, 61389), (12123, 54568), (12924, 51186), (13642, 48492), (16164, 40926), (17062, 38772), (19386, 34124), (20463, 32328), (24246, 27284), (25593, 25848)]