13211820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2531}}^1$

素因数の和:2575

約数の個数: 72

約数和(自身を含む): 41474160

約数和(自身を除く): 28262340

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 29, 30, 36, 45, 58, 60, 87, 90, 116, 145, 174, 180, 261, 290, 348, 435, 522, 580, 870, 1044, 1305, 1740, 2531, 2610, 5062, 5220, 7593, 10124, 12655, 15186, 22779, 25310, 30372, 37965, 45558, 50620, 73399, 75930, 91116, 113895, 146798, 151860, 220197, 227790, 293596, 366995, 440394, 455580, 660591, 733990, 880788, 1100985, 1321182, 1467980, 2201970, 2642364, 3302955, 4403940, 6605910, 13211820]

約数ペア:

[(1, 13211820), (2, 6605910), (3, 4403940), (4, 3302955), (5, 2642364), (6, 2201970), (9, 1467980), (10, 1321182), (12, 1100985), (15, 880788), (18, 733990), (20, 660591), (29, 455580), (30, 440394), (36, 366995), (45, 293596), (58, 227790), (60, 220197), (87, 151860), (90, 146798), (116, 113895), (145, 91116), (174, 75930), (180, 73399), (261, 50620), (290, 45558), (348, 37965), (435, 30372), (522, 25310), (580, 22779), (870, 15186), (1044, 12655), (1305, 10124), (1740, 7593), (2531, 5220), (2610, 5062)]