78128520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{651071}}^1$

素因数の和:651085

約数の個数: 32

約数和(自身を含む): 234385920

約数和(自身を除く): 156257400

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 651071, 1302142, 1953213, 2604284, 3255355, 3906426, 5208568, 6510710, 7812852, 9766065, 13021420, 15625704, 19532130, 26042840, 39064260, 78128520]

約数ペア:

[(1, 78128520), (2, 39064260), (3, 26042840), (4, 19532130), (5, 15625704), (6, 13021420), (8, 9766065), (10, 7812852), (12, 6510710), (15, 5208568), (20, 3906426), (24, 3255355), (30, 2604284), (40, 1953213), (60, 1302142), (120, 651071)]