178884030

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{26981}}^1$

素因数の和:27021

約数の個数: 64

約数和(自身を含む): 489561408

約数和(自身を除く): 310677378

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 34, 39, 51, 65, 78, 85, 102, 130, 170, 195, 221, 255, 390, 442, 510, 663, 1105, 1326, 2210, 3315, 6630, 26981, 53962, 80943, 134905, 161886, 269810, 350753, 404715, 458677, 701506, 809430, 917354, 1052259, 1376031, 1753765, 2104518, 2293385, 2752062, 3507530, 4586770, 5261295, 5962801, 6880155, 10522590, 11925602, 13760310, 17888403, 29814005, 35776806, 59628010, 89442015, 178884030]

約数ペア:

[(1, 178884030), (2, 89442015), (3, 59628010), (5, 35776806), (6, 29814005), (10, 17888403), (13, 13760310), (15, 11925602), (17, 10522590), (26, 6880155), (30, 5962801), (34, 5261295), (39, 4586770), (51, 3507530), (65, 2752062), (78, 2293385), (85, 2104518), (102, 1753765), (130, 1376031), (170, 1052259), (195, 917354), (221, 809430), (255, 701506), (390, 458677), (442, 404715), (510, 350753), (663, 269810), (1105, 161886), (1326, 134905), (2210, 80943), (3315, 53962), (6630, 26981)]