20172612075

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{1171}}^1$

素因数の和:1378

約数の個数: 192

約数和(自身を含む): 44086702080

約数和(自身を除く): 23914090005

約数列:

[1, 3, 5, 7, 11, 15, 19, 21, 25, 33, 35, 55, 57, 75, 77, 95, 105, 133, 157, 165, 175, 209, 231, 275, 285, 385, 399, 471, 475, 525, 627, 665, 785, 825, 1045, 1099, 1155, 1171, 1425, 1463, 1727, 1925, 1995, 2355, 2983, 3135, 3297, 3325, 3513, 3925, 4389, 5181, 5225, 5495, 5775, 5855, 7315, 8197, 8635, 8949, 9975, 11775, 12089, 12881, 14915, 15675, 16485, 17565, 20881, 21945, 22249, 24591, 25905, 27475, 29275, 32813, 36267, 36575, 38643, 40985, 43175, 44745, 60445, 62643, 64405, 66747, 74575, 82425, 87825, 90167, 98439, 104405, 109725, 111245, 122955, 129525, 155743, 164065, 181335, 183847, 193215, 204925, 223725, 229691, 244739, 270501, 302225, 313215, 322025, 333735, 450835, 467229, 492195, 522025, 551541, 556225, 614775, 689073, 734217, 778715, 820325, 906675, 919235, 966075, 1148455, 1223695, 1286929, 1352505, 1566075, 1668675, 1713173, 2022317, 2254175, 2336145, 2460975, 2757705, 3445365, 3493093, 3671085, 3860787, 3893575, 4596175, 5139519, 5742275, 6066951, 6118475, 6434645, 6762525, 8565865, 10111585, 10479279, 11680725, 13788525, 14156219, 17226825, 17465465, 18355425, 19303935, 24451651, 25697595, 30334755, 32173225, 38424023, 42468657, 42829325, 50557925, 52396395, 70781095, 73354953, 87327325, 96519675, 115272069, 122258255, 128487975, 151673775, 192120115, 212343285, 261981975, 268968161, 353905475, 366774765, 576360345, 611291275, 806904483, 960600575, 1061716425, 1344840805, 1833873825, 2881801725, 4034522415, 6724204025, 20172612075]

約数ペア:

[(1, 20172612075), (3, 6724204025), (5, 4034522415), (7, 2881801725), (11, 1833873825), (15, 1344840805), (19, 1061716425), (21, 960600575), (25, 806904483), (33, 611291275), (35, 576360345), (55, 366774765), (57, 353905475), (75, 268968161), (77, 261981975), (95, 212343285), (105, 192120115), (133, 151673775), (157, 128487975), (165, 122258255), (175, 115272069), (209, 96519675), (231, 87327325), (275, 73354953), (285, 70781095), (385, 52396395), (399, 50557925), (471, 42829325), (475, 42468657), (525, 38424023), (627, 32173225), (665, 30334755), (785, 25697595), (825, 24451651), (1045, 19303935), (1099, 18355425), (1155, 17465465), (1171, 17226825), (1425, 14156219), (1463, 13788525), (1727, 11680725), (1925, 10479279), (1995, 10111585), (2355, 8565865), (2983, 6762525), (3135, 6434645), (3297, 6118475), (3325, 6066951), (3513, 5742275), (3925, 5139519), (4389, 4596175), (5181, 3893575), (5225, 3860787), (5495, 3671085), (5775, 3493093), (5855, 3445365), (7315, 2757705), (8197, 2460975), (8635, 2336145), (8949, 2254175), (9975, 2022317), (11775, 1713173), (12089, 1668675), (12881, 1566075), (14915, 1352505), (15675, 1286929), (16485, 1223695), (17565, 1148455), (20881, 966075), (21945, 919235), (22249, 906675), (24591, 820325), (25905, 778715), (27475, 734217), (29275, 689073), (32813, 614775), (36267, 556225), (36575, 551541), (38643, 522025), (40985, 492195), (43175, 467229), (44745, 450835), (60445, 333735), (62643, 322025), (64405, 313215), (66747, 302225), (74575, 270501), (82425, 244739), (87825, 229691), (90167, 223725), (98439, 204925), (104405, 193215), (109725, 183847), (111245, 181335), (122955, 164065), (129525, 155743)]