127890210

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{1489}}^1$

素因数の和:1915

約数の個数: 64

約数和(自身を含む): 351878400

約数和(自身を除く): 223988190

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 409, 818, 1227, 1489, 2045, 2454, 2863, 2978, 4090, 4467, 5726, 6135, 7445, 8589, 8934, 10423, 12270, 14315, 14890, 17178, 20846, 22335, 28630, 31269, 42945, 44670, 52115, 62538, 85890, 104230, 156345, 312690, 609001, 1218002, 1827003, 3045005, 3654006, 4263007, 6090010, 8526014, 9135015, 12789021, 18270030, 21315035, 25578042, 42630070, 63945105, 127890210]

約数ペア:

[(1, 127890210), (2, 63945105), (3, 42630070), (5, 25578042), (6, 21315035), (7, 18270030), (10, 12789021), (14, 9135015), (15, 8526014), (21, 6090010), (30, 4263007), (35, 3654006), (42, 3045005), (70, 1827003), (105, 1218002), (210, 609001), (409, 312690), (818, 156345), (1227, 104230), (1489, 85890), (2045, 62538), (2454, 52115), (2863, 44670), (2978, 42945), (4090, 31269), (4467, 28630), (5726, 22335), (6135, 20846), (7445, 17178), (8589, 14890), (8934, 14315), (10423, 12270)]