12721440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1559}}^1$

素因数の和:1594

約数の個数: 96

約数和(自身を含む): 42456960

約数和(自身を除く): 29735520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 17, 20, 24, 30, 32, 34, 40, 48, 51, 60, 68, 80, 85, 96, 102, 120, 136, 160, 170, 204, 240, 255, 272, 340, 408, 480, 510, 544, 680, 816, 1020, 1360, 1559, 1632, 2040, 2720, 3118, 4080, 4677, 6236, 7795, 8160, 9354, 12472, 15590, 18708, 23385, 24944, 26503, 31180, 37416, 46770, 49888, 53006, 62360, 74832, 79509, 93540, 106012, 124720, 132515, 149664, 159018, 187080, 212024, 249440, 265030, 318036, 374160, 397545, 424048, 530060, 636072, 748320, 795090, 848096, 1060120, 1272144, 1590180, 2120240, 2544288, 3180360, 4240480, 6360720, 12721440]

約数ペア:

[(1, 12721440), (2, 6360720), (3, 4240480), (4, 3180360), (5, 2544288), (6, 2120240), (8, 1590180), (10, 1272144), (12, 1060120), (15, 848096), (16, 795090), (17, 748320), (20, 636072), (24, 530060), (30, 424048), (32, 397545), (34, 374160), (40, 318036), (48, 265030), (51, 249440), (60, 212024), (68, 187080), (80, 159018), (85, 149664), (96, 132515), (102, 124720), (120, 106012), (136, 93540), (160, 79509), (170, 74832), (204, 62360), (240, 53006), (255, 49888), (272, 46770), (340, 37416), (408, 31180), (480, 26503), (510, 24944), (544, 23385), (680, 18708), (816, 15590), (1020, 12472), (1360, 9354), (1559, 8160), (1632, 7795), (2040, 6236), (2720, 4677), (3118, 4080)]