138471540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{25931}}^1$

素因数の和:26032

約数の個数: 48

約数和(自身を含む): 392091840

約数和(自身を除く): 253620300

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 89, 178, 267, 356, 445, 534, 890, 1068, 1335, 1780, 2670, 5340, 25931, 51862, 77793, 103724, 129655, 155586, 259310, 311172, 388965, 518620, 777930, 1555860, 2307859, 4615718, 6923577, 9231436, 11539295, 13847154, 23078590, 27694308, 34617885, 46157180, 69235770, 138471540]

約数ペア:

[(1, 138471540), (2, 69235770), (3, 46157180), (4, 34617885), (5, 27694308), (6, 23078590), (10, 13847154), (12, 11539295), (15, 9231436), (20, 6923577), (30, 4615718), (60, 2307859), (89, 1555860), (178, 777930), (267, 518620), (356, 388965), (445, 311172), (534, 259310), (890, 155586), (1068, 129655), (1335, 103724), (1780, 77793), (2670, 51862), (5340, 25931)]