9870390

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 26611200

約数和(自身を除く): 16740810

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 135, 139, 263, 270, 278, 417, 526, 695, 789, 834, 1251, 1315, 1390, 1578, 2085, 2367, 2502, 2630, 3753, 3945, 4170, 4734, 6255, 7101, 7506, 7890, 11835, 12510, 14202, 18765, 23670, 35505, 36557, 37530, 71010, 73114, 109671, 182785, 219342, 329013, 365570, 548355, 658026, 987039, 1096710, 1645065, 1974078, 3290130, 4935195, 9870390]

約数ペア:

[(1, 9870390), (2, 4935195), (3, 3290130), (5, 1974078), (6, 1645065), (9, 1096710), (10, 987039), (15, 658026), (18, 548355), (27, 365570), (30, 329013), (45, 219342), (54, 182785), (90, 109671), (135, 73114), (139, 71010), (263, 37530), (270, 36557), (278, 35505), (417, 23670), (526, 18765), (695, 14202), (789, 12510), (834, 11835), (1251, 7890), (1315, 7506), (1390, 7101), (1578, 6255), (2085, 4734), (2367, 4170), (2502, 3945), (2630, 3753)]