1256552745

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{587}}^1$

素因数の和:687

約数の個数: 128

約数和(自身を含む): 2574028800

約数和(自身を除く): 1317476055

約数列:

[1, 3, 5, 7, 15, 19, 21, 29, 35, 37, 57, 87, 95, 105, 111, 133, 145, 185, 203, 259, 285, 399, 435, 551, 555, 587, 609, 665, 703, 777, 1015, 1073, 1295, 1653, 1761, 1995, 2109, 2755, 2935, 3045, 3219, 3515, 3857, 3885, 4109, 4921, 5365, 7511, 8265, 8805, 10545, 11153, 11571, 12327, 14763, 16095, 17023, 19285, 20387, 20545, 21719, 22533, 24605, 33459, 37555, 51069, 55765, 57855, 61161, 61635, 65157, 73815, 78071, 85115, 101935, 108595, 112665, 119161, 142709, 152033, 167295, 234213, 255345, 305805, 323437, 325785, 357483, 390355, 412661, 428127, 456099, 595805, 629851, 713545, 760165, 970311, 1171065, 1237983, 1617185, 1787415, 1889553, 2063305, 2140635, 2264059, 2280495, 2888627, 3149255, 4408957, 4851555, 6189915, 6792177, 8665881, 9447765, 11320295, 11967169, 13226871, 14443135, 22044785, 33960885, 35901507, 43329405, 59835845, 66134355, 83770183, 179507535, 251310549, 418850915, 1256552745]

約数ペア:

[(1, 1256552745), (3, 418850915), (5, 251310549), (7, 179507535), (15, 83770183), (19, 66134355), (21, 59835845), (29, 43329405), (35, 35901507), (37, 33960885), (57, 22044785), (87, 14443135), (95, 13226871), (105, 11967169), (111, 11320295), (133, 9447765), (145, 8665881), (185, 6792177), (203, 6189915), (259, 4851555), (285, 4408957), (399, 3149255), (435, 2888627), (551, 2280495), (555, 2264059), (587, 2140635), (609, 2063305), (665, 1889553), (703, 1787415), (777, 1617185), (1015, 1237983), (1073, 1171065), (1295, 970311), (1653, 760165), (1761, 713545), (1995, 629851), (2109, 595805), (2755, 456099), (2935, 428127), (3045, 412661), (3219, 390355), (3515, 357483), (3857, 325785), (3885, 323437), (4109, 305805), (4921, 255345), (5365, 234213), (7511, 167295), (8265, 152033), (8805, 142709), (10545, 119161), (11153, 112665), (11571, 108595), (12327, 101935), (14763, 85115), (16095, 78071), (17023, 73815), (19285, 65157), (20387, 61635), (20545, 61161), (21719, 57855), (22533, 55765), (24605, 51069), (33459, 37555)]