260841728

素因数分解:

$2^8\times 7^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:252

約数の個数: 144

約数和(自身を含む): 643614720

約数和(自身を除く): 382772992

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 32, 38, 47, 56, 64, 76, 94, 112, 128, 133, 152, 163, 188, 224, 256, 266, 304, 326, 329, 376, 448, 532, 608, 652, 658, 752, 893, 896, 1064, 1141, 1216, 1304, 1316, 1504, 1786, 1792, 2128, 2282, 2432, 2608, 2632, 3008, 3097, 3572, 4256, 4564, 4864, 5216, 5264, 6016, 6194, 6251, 7144, 7661, 8512, 9128, 10432, 10528, 12032, 12388, 12502, 14288, 15322, 17024, 18256, 20864, 21056, 21679, 24776, 25004, 28576, 30644, 34048, 36512, 41728, 42112, 43358, 49552, 50008, 53627, 57152, 61288, 73024, 84224, 86716, 99104, 100016, 107254, 114304, 122576, 145559, 146048, 173432, 198208, 200032, 214508, 228608, 245152, 291118, 292096, 346864, 396416, 400064, 429016, 490304, 582236, 693728, 792832, 800128, 858032, 980608, 1018913, 1164472, 1387456, 1600256, 1716064, 1961216, 2037826, 2328944, 2774912, 3432128, 4075652, 4657888, 5549824, 6864256, 8151304, 9315776, 13728512, 16302608, 18631552, 32605216, 37263104, 65210432, 130420864, 260841728]

約数ペア:

[(1, 260841728), (2, 130420864), (4, 65210432), (7, 37263104), (8, 32605216), (14, 18631552), (16, 16302608), (19, 13728512), (28, 9315776), (32, 8151304), (38, 6864256), (47, 5549824), (56, 4657888), (64, 4075652), (76, 3432128), (94, 2774912), (112, 2328944), (128, 2037826), (133, 1961216), (152, 1716064), (163, 1600256), (188, 1387456), (224, 1164472), (256, 1018913), (266, 980608), (304, 858032), (326, 800128), (329, 792832), (376, 693728), (448, 582236), (532, 490304), (608, 429016), (652, 400064), (658, 396416), (752, 346864), (893, 292096), (896, 291118), (1064, 245152), (1141, 228608), (1216, 214508), (1304, 200032), (1316, 198208), (1504, 173432), (1786, 146048), (1792, 145559), (2128, 122576), (2282, 114304), (2432, 107254), (2608, 100016), (2632, 99104), (3008, 86716), (3097, 84224), (3572, 73024), (4256, 61288), (4564, 57152), (4864, 53627), (5216, 50008), (5264, 49552), (6016, 43358), (6194, 42112), (6251, 41728), (7144, 36512), (7661, 34048), (8512, 30644), (9128, 28576), (10432, 25004), (10528, 24776), (12032, 21679), (12388, 21056), (12502, 20864), (14288, 18256), (15322, 17024)]