1821560

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:168

約数の個数: 64

約数和(自身を含む): 4596480

約数和(自身を除く): 2774920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 31, 40, 52, 62, 65, 104, 113, 124, 130, 155, 226, 248, 260, 310, 403, 452, 520, 565, 620, 806, 904, 1130, 1240, 1469, 1612, 2015, 2260, 2938, 3224, 3503, 4030, 4520, 5876, 7006, 7345, 8060, 11752, 14012, 14690, 16120, 17515, 28024, 29380, 35030, 45539, 58760, 70060, 91078, 140120, 182156, 227695, 364312, 455390, 910780, 1821560]

約数ペア:

[(1, 1821560), (2, 910780), (4, 455390), (5, 364312), (8, 227695), (10, 182156), (13, 140120), (20, 91078), (26, 70060), (31, 58760), (40, 45539), (52, 35030), (62, 29380), (65, 28024), (104, 17515), (113, 16120), (124, 14690), (130, 14012), (155, 11752), (226, 8060), (248, 7345), (260, 7006), (310, 5876), (403, 4520), (452, 4030), (520, 3503), (565, 3224), (620, 2938), (806, 2260), (904, 2015), (1130, 1612), (1240, 1469)]