61345920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{359}}^1$

素因数の和:470

約数の個数: 128

約数和(自身を含む): 198288000

約数和(自身を除く): 136942080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 89, 96, 120, 128, 160, 178, 192, 240, 267, 320, 356, 359, 384, 445, 480, 534, 640, 712, 718, 890, 960, 1068, 1077, 1335, 1424, 1436, 1780, 1795, 1920, 2136, 2154, 2670, 2848, 2872, 3560, 3590, 4272, 4308, 5340, 5385, 5696, 5744, 7120, 7180, 8544, 8616, 10680, 10770, 11392, 11488, 14240, 14360, 17088, 17232, 21360, 21540, 22976, 28480, 28720, 31951, 34176, 34464, 42720, 43080, 45952, 56960, 57440, 63902, 68928, 85440, 86160, 95853, 114880, 127804, 137856, 159755, 170880, 172320, 191706, 229760, 255608, 319510, 344640, 383412, 479265, 511216, 639020, 689280, 766824, 958530, 1022432, 1278040, 1533648, 1917060, 2044864, 2556080, 3067296, 3834120, 4089728, 5112160, 6134592, 7668240, 10224320, 12269184, 15336480, 20448640, 30672960, 61345920]

約数ペア:

[(1, 61345920), (2, 30672960), (3, 20448640), (4, 15336480), (5, 12269184), (6, 10224320), (8, 7668240), (10, 6134592), (12, 5112160), (15, 4089728), (16, 3834120), (20, 3067296), (24, 2556080), (30, 2044864), (32, 1917060), (40, 1533648), (48, 1278040), (60, 1022432), (64, 958530), (80, 766824), (89, 689280), (96, 639020), (120, 511216), (128, 479265), (160, 383412), (178, 344640), (192, 319510), (240, 255608), (267, 229760), (320, 191706), (356, 172320), (359, 170880), (384, 159755), (445, 137856), (480, 127804), (534, 114880), (640, 95853), (712, 86160), (718, 85440), (890, 68928), (960, 63902), (1068, 57440), (1077, 56960), (1335, 45952), (1424, 43080), (1436, 42720), (1780, 34464), (1795, 34176), (1920, 31951), (2136, 28720), (2154, 28480), (2670, 22976), (2848, 21540), (2872, 21360), (3560, 17232), (3590, 17088), (4272, 14360), (4308, 14240), (5340, 11488), (5385, 11392), (5696, 10770), (5744, 10680), (7120, 8616), (7180, 8544)]