1408595840

素因数分解:

$2^7\times 5^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1\times {\mathrm{317}}^1$

素因数の和:520

約数の個数: 128

約数和(自身を含む): 3468057120

約数和(自身を除く): 2059461280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 53, 64, 80, 106, 128, 131, 160, 212, 262, 265, 317, 320, 424, 524, 530, 634, 640, 655, 848, 1048, 1060, 1268, 1310, 1585, 1696, 2096, 2120, 2536, 2620, 3170, 3392, 4192, 4240, 5072, 5240, 6340, 6784, 6943, 8384, 8480, 10144, 10480, 12680, 13886, 16768, 16801, 16960, 20288, 20960, 25360, 27772, 33602, 33920, 34715, 40576, 41527, 41920, 50720, 55544, 67204, 69430, 83054, 83840, 84005, 101440, 111088, 134408, 138860, 166108, 168010, 202880, 207635, 222176, 268816, 277720, 332216, 336020, 415270, 444352, 537632, 555440, 664432, 672040, 830540, 888704, 1075264, 1110880, 1328864, 1344080, 1661080, 2150528, 2200931, 2221760, 2657728, 2688160, 3322160, 4401862, 4443520, 5315456, 5376320, 6644320, 8803724, 10752640, 11004655, 13288640, 17607448, 22009310, 26577280, 35214896, 44018620, 70429792, 88037240, 140859584, 176074480, 281719168, 352148960, 704297920, 1408595840]

約数ペア:

[(1, 1408595840), (2, 704297920), (4, 352148960), (5, 281719168), (8, 176074480), (10, 140859584), (16, 88037240), (20, 70429792), (32, 44018620), (40, 35214896), (53, 26577280), (64, 22009310), (80, 17607448), (106, 13288640), (128, 11004655), (131, 10752640), (160, 8803724), (212, 6644320), (262, 5376320), (265, 5315456), (317, 4443520), (320, 4401862), (424, 3322160), (524, 2688160), (530, 2657728), (634, 2221760), (640, 2200931), (655, 2150528), (848, 1661080), (1048, 1344080), (1060, 1328864), (1268, 1110880), (1310, 1075264), (1585, 888704), (1696, 830540), (2096, 672040), (2120, 664432), (2536, 555440), (2620, 537632), (3170, 444352), (3392, 415270), (4192, 336020), (4240, 332216), (5072, 277720), (5240, 268816), (6340, 222176), (6784, 207635), (6943, 202880), (8384, 168010), (8480, 166108), (10144, 138860), (10480, 134408), (12680, 111088), (13886, 101440), (16768, 84005), (16801, 83840), (16960, 83054), (20288, 69430), (20960, 67204), (25360, 55544), (27772, 50720), (33602, 41920), (33920, 41527), (34715, 40576)]