738605080

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{1117}}^1$

素因数の和:1460

約数の個数: 64

約数和(自身を含む): 1696855680

約数和(自身を除く): 958250600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 271, 305, 488, 542, 610, 1084, 1117, 1220, 1355, 2168, 2234, 2440, 2710, 4468, 5420, 5585, 8936, 10840, 11170, 16531, 22340, 33062, 44680, 66124, 68137, 82655, 132248, 136274, 165310, 272548, 302707, 330620, 340685, 545096, 605414, 661240, 681370, 1210828, 1362740, 1513535, 2421656, 2725480, 3027070, 6054140, 12108280, 18465127, 36930254, 73860508, 92325635, 147721016, 184651270, 369302540, 738605080]

約数ペア:

[(1, 738605080), (2, 369302540), (4, 184651270), (5, 147721016), (8, 92325635), (10, 73860508), (20, 36930254), (40, 18465127), (61, 12108280), (122, 6054140), (244, 3027070), (271, 2725480), (305, 2421656), (488, 1513535), (542, 1362740), (610, 1210828), (1084, 681370), (1117, 661240), (1220, 605414), (1355, 545096), (2168, 340685), (2234, 330620), (2440, 302707), (2710, 272548), (4468, 165310), (5420, 136274), (5585, 132248), (8936, 82655), (10840, 68137), (11170, 66124), (16531, 44680), (22340, 33062)]