28960380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:907

約数の個数: 72

約数和(自身を含む): 88334064

約数和(自身を除く): 59373684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 251, 502, 641, 753, 1004, 1255, 1282, 1506, 1923, 2259, 2510, 2564, 3012, 3205, 3765, 3846, 4518, 5020, 5769, 6410, 7530, 7692, 9036, 9615, 11295, 11538, 12820, 15060, 19230, 22590, 23076, 28845, 38460, 45180, 57690, 115380, 160891, 321782, 482673, 643564, 804455, 965346, 1448019, 1608910, 1930692, 2413365, 2896038, 3217820, 4826730, 5792076, 7240095, 9653460, 14480190, 28960380]

約数ペア:

[(1, 28960380), (2, 14480190), (3, 9653460), (4, 7240095), (5, 5792076), (6, 4826730), (9, 3217820), (10, 2896038), (12, 2413365), (15, 1930692), (18, 1608910), (20, 1448019), (30, 965346), (36, 804455), (45, 643564), (60, 482673), (90, 321782), (180, 160891), (251, 115380), (502, 57690), (641, 45180), (753, 38460), (1004, 28845), (1255, 23076), (1282, 22590), (1506, 19230), (1923, 15060), (2259, 12820), (2510, 11538), (2564, 11295), (3012, 9615), (3205, 9036), (3765, 7692), (3846, 7530), (4518, 6410), (5020, 5769)]