15394820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{683}}^1$

素因数の和:729

約数の個数: 72

約数和(自身を含む): 39299904

約数和(自身を除く): 23905084

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 23, 28, 35, 46, 49, 70, 92, 98, 115, 140, 161, 196, 230, 245, 322, 460, 490, 644, 683, 805, 980, 1127, 1366, 1610, 2254, 2732, 3220, 3415, 4508, 4781, 5635, 6830, 9562, 11270, 13660, 15709, 19124, 22540, 23905, 31418, 33467, 47810, 62836, 66934, 78545, 95620, 109963, 133868, 157090, 167335, 219926, 314180, 334670, 439852, 549815, 669340, 769741, 1099630, 1539482, 2199260, 3078964, 3848705, 7697410, 15394820]

約数ペア:

[(1, 15394820), (2, 7697410), (4, 3848705), (5, 3078964), (7, 2199260), (10, 1539482), (14, 1099630), (20, 769741), (23, 669340), (28, 549815), (35, 439852), (46, 334670), (49, 314180), (70, 219926), (92, 167335), (98, 157090), (115, 133868), (140, 109963), (161, 95620), (196, 78545), (230, 66934), (245, 62836), (322, 47810), (460, 33467), (490, 31418), (644, 23905), (683, 22540), (805, 19124), (980, 15709), (1127, 13660), (1366, 11270), (1610, 9562), (2254, 6830), (2732, 5635), (3220, 4781), (3415, 4508)]