128718360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{357551}}^1$

素因数の和:357568

約数の個数: 48

約数和(自身を含む): 418335840

約数和(自身を除く): 289617480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 357551, 715102, 1072653, 1430204, 1787755, 2145306, 2860408, 3217959, 3575510, 4290612, 5363265, 6435918, 7151020, 8581224, 10726530, 12871836, 14302040, 16089795, 21453060, 25743672, 32179590, 42906120, 64359180, 128718360]

約数ペア:

[(1, 128718360), (2, 64359180), (3, 42906120), (4, 32179590), (5, 25743672), (6, 21453060), (8, 16089795), (9, 14302040), (10, 12871836), (12, 10726530), (15, 8581224), (18, 7151020), (20, 6435918), (24, 5363265), (30, 4290612), (36, 3575510), (40, 3217959), (45, 2860408), (60, 2145306), (72, 1787755), (90, 1430204), (120, 1072653), (180, 715102), (360, 357551)]