2648640

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:140

約数の個数: 112

約数和(自身を含む): 8778240

約数和(自身を除く): 6129600

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 64, 80, 89, 93, 96, 120, 124, 155, 160, 178, 186, 192, 240, 248, 267, 310, 320, 356, 372, 445, 465, 480, 496, 534, 620, 712, 744, 890, 930, 960, 992, 1068, 1240, 1335, 1424, 1488, 1780, 1860, 1984, 2136, 2480, 2670, 2759, 2848, 2976, 3560, 3720, 4272, 4960, 5340, 5518, 5696, 5952, 7120, 7440, 8277, 8544, 9920, 10680, 11036, 13795, 14240, 14880, 16554, 17088, 21360, 22072, 27590, 28480, 29760, 33108, 41385, 42720, 44144, 55180, 66216, 82770, 85440, 88288, 110360, 132432, 165540, 176576, 220720, 264864, 331080, 441440, 529728, 662160, 882880, 1324320, 2648640]

約数ペア:

[(1, 2648640), (2, 1324320), (3, 882880), (4, 662160), (5, 529728), (6, 441440), (8, 331080), (10, 264864), (12, 220720), (15, 176576), (16, 165540), (20, 132432), (24, 110360), (30, 88288), (31, 85440), (32, 82770), (40, 66216), (48, 55180), (60, 44144), (62, 42720), (64, 41385), (80, 33108), (89, 29760), (93, 28480), (96, 27590), (120, 22072), (124, 21360), (155, 17088), (160, 16554), (178, 14880), (186, 14240), (192, 13795), (240, 11036), (248, 10680), (267, 9920), (310, 8544), (320, 8277), (356, 7440), (372, 7120), (445, 5952), (465, 5696), (480, 5518), (496, 5340), (534, 4960), (620, 4272), (712, 3720), (744, 3560), (890, 2976), (930, 2848), (960, 2759), (992, 2670), (1068, 2480), (1240, 2136), (1335, 1984), (1424, 1860), (1488, 1780)]