287456220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{739}}^1\times {\mathrm{2161}}^1$

素因数の和:2915

約数の個数: 72

約数和(自身を含む): 873534480

約数和(自身を除く): 586078260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 739, 1478, 2161, 2217, 2956, 3695, 4322, 4434, 6483, 6651, 7390, 8644, 8868, 10805, 11085, 12966, 13302, 14780, 19449, 21610, 22170, 25932, 26604, 32415, 33255, 38898, 43220, 44340, 64830, 66510, 77796, 97245, 129660, 133020, 194490, 388980, 1596979, 3193958, 4790937, 6387916, 7984895, 9581874, 14372811, 15969790, 19163748, 23954685, 28745622, 31939580, 47909370, 57491244, 71864055, 95818740, 143728110, 287456220]

約数ペア:

[(1, 287456220), (2, 143728110), (3, 95818740), (4, 71864055), (5, 57491244), (6, 47909370), (9, 31939580), (10, 28745622), (12, 23954685), (15, 19163748), (18, 15969790), (20, 14372811), (30, 9581874), (36, 7984895), (45, 6387916), (60, 4790937), (90, 3193958), (180, 1596979), (739, 388980), (1478, 194490), (2161, 133020), (2217, 129660), (2956, 97245), (3695, 77796), (4322, 66510), (4434, 64830), (6483, 44340), (6651, 43220), (7390, 38898), (8644, 33255), (8868, 32415), (10805, 26604), (11085, 25932), (12966, 22170), (13302, 21610), (14780, 19449)]