30219640

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{397}}^1$

素因数の和:592

約数の個数: 64

約数和(自身を含む): 74792160

約数和(自身を除く): 44572520

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 346, 397, 440, 692, 794, 865, 1384, 1588, 1730, 1903, 1985, 3176, 3460, 3806, 3970, 4367, 6920, 7612, 7940, 8734, 9515, 15224, 15880, 17468, 19030, 21835, 34936, 38060, 43670, 68681, 76120, 87340, 137362, 174680, 274724, 343405, 549448, 686810, 755491, 1373620, 1510982, 2747240, 3021964, 3777455, 6043928, 7554910, 15109820, 30219640]

約数ペア:

[(1, 30219640), (2, 15109820), (4, 7554910), (5, 6043928), (8, 3777455), (10, 3021964), (11, 2747240), (20, 1510982), (22, 1373620), (40, 755491), (44, 686810), (55, 549448), (88, 343405), (110, 274724), (173, 174680), (220, 137362), (346, 87340), (397, 76120), (440, 68681), (692, 43670), (794, 38060), (865, 34936), (1384, 21835), (1588, 19030), (1730, 17468), (1903, 15880), (1985, 15224), (3176, 9515), (3460, 8734), (3806, 7940), (3970, 7612), (4367, 6920)]