258960320

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{181}}^1\times {\mathrm{263}}^1$

素因数の和:478

約数の個数: 112

約数和(自身を含む): 659026368

約数和(自身を除く): 400066048

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 181, 263, 272, 320, 340, 362, 526, 544, 680, 724, 905, 1052, 1088, 1315, 1360, 1448, 1810, 2104, 2630, 2720, 2896, 3077, 3620, 4208, 4471, 5260, 5440, 5792, 6154, 7240, 8416, 8942, 10520, 11584, 12308, 14480, 15385, 16832, 17884, 21040, 22355, 24616, 28960, 30770, 35768, 42080, 44710, 47603, 49232, 57920, 61540, 71536, 84160, 89420, 95206, 98464, 123080, 143072, 178840, 190412, 196928, 238015, 246160, 286144, 357680, 380824, 476030, 492320, 715360, 761648, 809251, 952060, 984640, 1430720, 1523296, 1618502, 1904120, 3046592, 3237004, 3808240, 4046255, 6474008, 7616480, 8092510, 12948016, 15232960, 16185020, 25896032, 32370040, 51792064, 64740080, 129480160, 258960320]

約数ペア:

[(1, 258960320), (2, 129480160), (4, 64740080), (5, 51792064), (8, 32370040), (10, 25896032), (16, 16185020), (17, 15232960), (20, 12948016), (32, 8092510), (34, 7616480), (40, 6474008), (64, 4046255), (68, 3808240), (80, 3237004), (85, 3046592), (136, 1904120), (160, 1618502), (170, 1523296), (181, 1430720), (263, 984640), (272, 952060), (320, 809251), (340, 761648), (362, 715360), (526, 492320), (544, 476030), (680, 380824), (724, 357680), (905, 286144), (1052, 246160), (1088, 238015), (1315, 196928), (1360, 190412), (1448, 178840), (1810, 143072), (2104, 123080), (2630, 98464), (2720, 95206), (2896, 89420), (3077, 84160), (3620, 71536), (4208, 61540), (4471, 57920), (5260, 49232), (5440, 47603), (5792, 44710), (6154, 42080), (7240, 35768), (8416, 30770), (8942, 28960), (10520, 24616), (11584, 22355), (12308, 21040), (14480, 17884), (15385, 16832)]