20880451560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{131}}^1\times {\mathrm{57751}}^1$

素因数の和:57919

約数の個数: 128

約数和(自身を含む): 65865000960

約数和(自身を除く): 44984549400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 69, 92, 115, 120, 131, 138, 184, 230, 262, 276, 345, 393, 460, 524, 552, 655, 690, 786, 920, 1048, 1310, 1380, 1572, 1965, 2620, 2760, 3013, 3144, 3930, 5240, 6026, 7860, 9039, 12052, 15065, 15720, 18078, 24104, 30130, 36156, 45195, 57751, 60260, 72312, 90390, 115502, 120520, 173253, 180780, 231004, 288755, 346506, 361560, 462008, 577510, 693012, 866265, 1155020, 1328273, 1386024, 1732530, 2310040, 2656546, 3465060, 3984819, 5313092, 6641365, 6930120, 7565381, 7969638, 10626184, 13282730, 15130762, 15939276, 19924095, 22696143, 26565460, 30261524, 31878552, 37826905, 39848190, 45392286, 53130920, 60523048, 75653810, 79696380, 90784572, 113480715, 151307620, 159392760, 174003763, 181569144, 226961430, 302615240, 348007526, 453922860, 522011289, 696015052, 870018815, 907845720, 1044022578, 1392030104, 1740037630, 2088045156, 2610056445, 3480075260, 4176090312, 5220112890, 6960150520, 10440225780, 20880451560]

約数ペア:

[(1, 20880451560), (2, 10440225780), (3, 6960150520), (4, 5220112890), (5, 4176090312), (6, 3480075260), (8, 2610056445), (10, 2088045156), (12, 1740037630), (15, 1392030104), (20, 1044022578), (23, 907845720), (24, 870018815), (30, 696015052), (40, 522011289), (46, 453922860), (60, 348007526), (69, 302615240), (92, 226961430), (115, 181569144), (120, 174003763), (131, 159392760), (138, 151307620), (184, 113480715), (230, 90784572), (262, 79696380), (276, 75653810), (345, 60523048), (393, 53130920), (460, 45392286), (524, 39848190), (552, 37826905), (655, 31878552), (690, 30261524), (786, 26565460), (920, 22696143), (1048, 19924095), (1310, 15939276), (1380, 15130762), (1572, 13282730), (1965, 10626184), (2620, 7969638), (2760, 7565381), (3013, 6930120), (3144, 6641365), (3930, 5313092), (5240, 3984819), (6026, 3465060), (7860, 2656546), (9039, 2310040), (12052, 1732530), (15065, 1386024), (15720, 1328273), (18078, 1155020), (24104, 866265), (30130, 693012), (36156, 577510), (45195, 462008), (57751, 361560), (60260, 346506), (72312, 288755), (90390, 231004), (115502, 180780), (120520, 173253)]