31988070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{2557}}^1$

素因数の和:2709

約数の個数: 48

約数和(自身を含む): 83800080

約数和(自身を除く): 51812010

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 139, 278, 417, 695, 834, 1251, 1390, 2085, 2502, 2557, 4170, 5114, 6255, 7671, 12510, 12785, 15342, 23013, 25570, 38355, 46026, 76710, 115065, 230130, 355423, 710846, 1066269, 1777115, 2132538, 3198807, 3554230, 5331345, 6397614, 10662690, 15994035, 31988070]

約数ペア:

[(1, 31988070), (2, 15994035), (3, 10662690), (5, 6397614), (6, 5331345), (9, 3554230), (10, 3198807), (15, 2132538), (18, 1777115), (30, 1066269), (45, 710846), (90, 355423), (139, 230130), (278, 115065), (417, 76710), (695, 46026), (834, 38355), (1251, 25570), (1390, 23013), (2085, 15342), (2502, 12785), (2557, 12510), (4170, 7671), (5114, 6255)]