3928140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 12077520

約数和(自身を除く): 8149380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 139, 157, 180, 278, 314, 417, 471, 556, 628, 695, 785, 834, 942, 1251, 1390, 1413, 1570, 1668, 1884, 2085, 2355, 2502, 2780, 2826, 3140, 4170, 4710, 5004, 5652, 6255, 7065, 8340, 9420, 12510, 14130, 21823, 25020, 28260, 43646, 65469, 87292, 109115, 130938, 196407, 218230, 261876, 327345, 392814, 436460, 654690, 785628, 982035, 1309380, 1964070, 3928140]

約数ペア:

[(1, 3928140), (2, 1964070), (3, 1309380), (4, 982035), (5, 785628), (6, 654690), (9, 436460), (10, 392814), (12, 327345), (15, 261876), (18, 218230), (20, 196407), (30, 130938), (36, 109115), (45, 87292), (60, 65469), (90, 43646), (139, 28260), (157, 25020), (180, 21823), (278, 14130), (314, 12510), (417, 9420), (471, 8340), (556, 7065), (628, 6255), (695, 5652), (785, 5004), (834, 4710), (942, 4170), (1251, 3140), (1390, 2826), (1413, 2780), (1570, 2502), (1668, 2355), (1884, 2085)]