129739140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{720773}}^1$

素因数の和:720788

約数の個数: 36

約数和(自身を含む): 393542604

約数和(自身を除く): 263803464

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 720773, 1441546, 2162319, 2883092, 3603865, 4324638, 6486957, 7207730, 8649276, 10811595, 12973914, 14415460, 21623190, 25947828, 32434785, 43246380, 64869570, 129739140]

約数ペア:

[(1, 129739140), (2, 64869570), (3, 43246380), (4, 32434785), (5, 25947828), (6, 21623190), (9, 14415460), (10, 12973914), (12, 10811595), (15, 8649276), (18, 7207730), (20, 6486957), (30, 4324638), (36, 3603865), (45, 2883092), (60, 2162319), (90, 1441546), (180, 720773)]