1389739860

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{74959}}^1$

素因数の和:75077

約数の個数: 72

約数和(自身を含む): 4256528640

約数和(自身を除く): 2866788780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 103, 180, 206, 309, 412, 515, 618, 927, 1030, 1236, 1545, 1854, 2060, 3090, 3708, 4635, 6180, 9270, 18540, 74959, 149918, 224877, 299836, 374795, 449754, 674631, 749590, 899508, 1124385, 1349262, 1499180, 2248770, 2698524, 3373155, 4497540, 6746310, 7720777, 13492620, 15441554, 23162331, 30883108, 38603885, 46324662, 69486993, 77207770, 92649324, 115811655, 138973986, 154415540, 231623310, 277947972, 347434965, 463246620, 694869930, 1389739860]

約数ペア:

[(1, 1389739860), (2, 694869930), (3, 463246620), (4, 347434965), (5, 277947972), (6, 231623310), (9, 154415540), (10, 138973986), (12, 115811655), (15, 92649324), (18, 77207770), (20, 69486993), (30, 46324662), (36, 38603885), (45, 30883108), (60, 23162331), (90, 15441554), (103, 13492620), (180, 7720777), (206, 6746310), (309, 4497540), (412, 3373155), (515, 2698524), (618, 2248770), (927, 1499180), (1030, 1349262), (1236, 1124385), (1545, 899508), (1854, 749590), (2060, 674631), (3090, 449754), (3708, 374795), (4635, 299836), (6180, 224877), (9270, 149918), (18540, 74959)]