15891990944

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{113}}^2$

素因数の和:367

約数の個数: 144

約数和(自身を含む): 35062372800

約数和(自身を除く): 19170381856

約数列:

[1, 2, 4, 8, 16, 19, 23, 32, 38, 46, 76, 89, 92, 113, 152, 178, 184, 226, 304, 356, 368, 437, 452, 608, 712, 736, 874, 904, 1424, 1691, 1748, 1808, 2047, 2147, 2599, 2848, 3382, 3496, 3616, 4094, 4294, 5198, 6764, 6992, 8188, 8588, 10057, 10396, 12769, 13528, 13984, 16376, 17176, 20114, 20792, 25538, 27056, 32752, 34352, 38893, 40228, 41584, 49381, 51076, 54112, 65504, 68704, 77786, 80456, 83168, 98762, 102152, 155572, 160912, 191083, 197524, 204304, 231311, 242611, 293687, 311144, 321824, 382166, 395048, 408608, 462622, 485222, 587374, 622288, 764332, 790096, 925244, 970444, 1136441, 1174748, 1244576, 1528664, 1580192, 1850488, 1940888, 2272882, 2349496, 3057328, 3700976, 3881776, 4394909, 4545764, 4698992, 5580053, 6114656, 7401952, 7763552, 8789818, 9091528, 9397984, 11160106, 17579636, 18183056, 21592379, 22320212, 26138143, 35159272, 36366112, 43184758, 44640424, 52276286, 70318544, 86369516, 89280848, 104552572, 140637088, 172739032, 178561696, 209105144, 345478064, 418210288, 496624717, 690956128, 836420576, 993249434, 1986498868, 3972997736, 7945995472, 15891990944]

約数ペア:

[(1, 15891990944), (2, 7945995472), (4, 3972997736), (8, 1986498868), (16, 993249434), (19, 836420576), (23, 690956128), (32, 496624717), (38, 418210288), (46, 345478064), (76, 209105144), (89, 178561696), (92, 172739032), (113, 140637088), (152, 104552572), (178, 89280848), (184, 86369516), (226, 70318544), (304, 52276286), (356, 44640424), (368, 43184758), (437, 36366112), (452, 35159272), (608, 26138143), (712, 22320212), (736, 21592379), (874, 18183056), (904, 17579636), (1424, 11160106), (1691, 9397984), (1748, 9091528), (1808, 8789818), (2047, 7763552), (2147, 7401952), (2599, 6114656), (2848, 5580053), (3382, 4698992), (3496, 4545764), (3616, 4394909), (4094, 3881776), (4294, 3700976), (5198, 3057328), (6764, 2349496), (6992, 2272882), (8188, 1940888), (8588, 1850488), (10057, 1580192), (10396, 1528664), (12769, 1244576), (13528, 1174748), (13984, 1136441), (16376, 970444), (17176, 925244), (20114, 790096), (20792, 764332), (25538, 622288), (27056, 587374), (32752, 485222), (34352, 462622), (38893, 408608), (40228, 395048), (41584, 382166), (49381, 321824), (51076, 311144), (54112, 293687), (65504, 242611), (68704, 231311), (77786, 204304), (80456, 197524), (83168, 191083), (98762, 160912), (102152, 155572)]