129290640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{538711}}^1$

素因数の和:538727

約数の個数: 40

約数和(自身を含む): 400801728

約数和(自身を除く): 271511088

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 538711, 1077422, 1616133, 2154844, 2693555, 3232266, 4309688, 5387110, 6464532, 8080665, 8619376, 10774220, 12929064, 16161330, 21548440, 25858128, 32322660, 43096880, 64645320, 129290640]

約数ペア:

[(1, 129290640), (2, 64645320), (3, 43096880), (4, 32322660), (5, 25858128), (6, 21548440), (8, 16161330), (10, 12929064), (12, 10774220), (15, 8619376), (16, 8080665), (20, 6464532), (24, 5387110), (30, 4309688), (40, 3232266), (48, 2693555), (60, 2154844), (80, 1616133), (120, 1077422), (240, 538711)]