779600120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1499231}}^1$

素因数の和:1499255

約数の個数: 32

約数和(自身を含む): 1889032320

約数和(自身を除く): 1109432200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 1499231, 2998462, 5996924, 7496155, 11993848, 14992310, 19490003, 29984620, 38980006, 59969240, 77960012, 97450015, 155920024, 194900030, 389800060, 779600120]

約数ペア:

[(1, 779600120), (2, 389800060), (4, 194900030), (5, 155920024), (8, 97450015), (10, 77960012), (13, 59969240), (20, 38980006), (26, 29984620), (40, 19490003), (52, 14992310), (65, 11993848), (104, 7496155), (130, 5996924), (260, 2998462), (520, 1499231)]