74440680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{21391}}^1$

素因数の和:21434

約数の個数: 64

約数和(自身を含む): 231033600

約数和(自身を除く): 156592920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 580, 696, 870, 1160, 1740, 3480, 21391, 42782, 64173, 85564, 106955, 128346, 171128, 213910, 256692, 320865, 427820, 513384, 620339, 641730, 855640, 1240678, 1283460, 1861017, 2481356, 2566920, 3101695, 3722034, 4962712, 6203390, 7444068, 9305085, 12406780, 14888136, 18610170, 24813560, 37220340, 74440680]

約数ペア:

[(1, 74440680), (2, 37220340), (3, 24813560), (4, 18610170), (5, 14888136), (6, 12406780), (8, 9305085), (10, 7444068), (12, 6203390), (15, 4962712), (20, 3722034), (24, 3101695), (29, 2566920), (30, 2481356), (40, 1861017), (58, 1283460), (60, 1240678), (87, 855640), (116, 641730), (120, 620339), (145, 513384), (174, 427820), (232, 320865), (290, 256692), (348, 213910), (435, 171128), (580, 128346), (696, 106955), (870, 85564), (1160, 64173), (1740, 42782), (3480, 21391)]