28121340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1219

約数の個数: 96

約数和(自身を含む): 87607296

約数和(自身を除く): 59485956

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1163, 1209, 1612, 1860, 2015, 2326, 2418, 3489, 4030, 4652, 4836, 5815, 6045, 6978, 8060, 11630, 12090, 13956, 15119, 17445, 23260, 24180, 30238, 34890, 36053, 45357, 60476, 69780, 72106, 75595, 90714, 108159, 144212, 151190, 180265, 181428, 216318, 226785, 302380, 360530, 432636, 453570, 468689, 540795, 721060, 907140, 937378, 1081590, 1406067, 1874756, 2163180, 2343445, 2812134, 4686890, 5624268, 7030335, 9373780, 14060670, 28121340]

約数ペア:

[(1, 28121340), (2, 14060670), (3, 9373780), (4, 7030335), (5, 5624268), (6, 4686890), (10, 2812134), (12, 2343445), (13, 2163180), (15, 1874756), (20, 1406067), (26, 1081590), (30, 937378), (31, 907140), (39, 721060), (52, 540795), (60, 468689), (62, 453570), (65, 432636), (78, 360530), (93, 302380), (124, 226785), (130, 216318), (155, 181428), (156, 180265), (186, 151190), (195, 144212), (260, 108159), (310, 90714), (372, 75595), (390, 72106), (403, 69780), (465, 60476), (620, 45357), (780, 36053), (806, 34890), (930, 30238), (1163, 24180), (1209, 23260), (1612, 17445), (1860, 15119), (2015, 13956), (2326, 12090), (2418, 11630), (3489, 8060), (4030, 6978), (4652, 6045), (4836, 5815)]