7815990

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{409}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 23556960

約数和(自身を除く): 15740970

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 49, 65, 70, 78, 91, 98, 105, 130, 147, 182, 195, 210, 245, 273, 294, 390, 409, 455, 490, 546, 637, 735, 818, 910, 1227, 1274, 1365, 1470, 1911, 2045, 2454, 2730, 2863, 3185, 3822, 4090, 5317, 5726, 6135, 6370, 8589, 9555, 10634, 12270, 14315, 15951, 17178, 19110, 20041, 26585, 28630, 31902, 37219, 40082, 42945, 53170, 60123, 74438, 79755, 85890, 100205, 111657, 120246, 159510, 186095, 200410, 223314, 260533, 300615, 372190, 521066, 558285, 601230, 781599, 1116570, 1302665, 1563198, 2605330, 3907995, 7815990]

約数ペア:

[(1, 7815990), (2, 3907995), (3, 2605330), (5, 1563198), (6, 1302665), (7, 1116570), (10, 781599), (13, 601230), (14, 558285), (15, 521066), (21, 372190), (26, 300615), (30, 260533), (35, 223314), (39, 200410), (42, 186095), (49, 159510), (65, 120246), (70, 111657), (78, 100205), (91, 85890), (98, 79755), (105, 74438), (130, 60123), (147, 53170), (182, 42945), (195, 40082), (210, 37219), (245, 31902), (273, 28630), (294, 26585), (390, 20041), (409, 19110), (455, 17178), (490, 15951), (546, 14315), (637, 12270), (735, 10634), (818, 9555), (910, 8589), (1227, 6370), (1274, 6135), (1365, 5726), (1470, 5317), (1911, 4090), (2045, 3822), (2454, 3185), (2730, 2863)]