1989291240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{5525809}}^1$

素因数の和:5525826

約数の個数: 48

約数和(自身を含む): 6465197700

約数和(自身を除く): 4475906460

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, 5525809, 11051618, 16577427, 22103236, 27629045, 33154854, 44206472, 49732281, 55258090, 66309708, 82887135, 99464562, 110516180, 132619416, 165774270, 198929124, 221032360, 248661405, 331548540, 397858248, 497322810, 663097080, 994645620, 1989291240]

約数ペア:

[(1, 1989291240), (2, 994645620), (3, 663097080), (4, 497322810), (5, 397858248), (6, 331548540), (8, 248661405), (9, 221032360), (10, 198929124), (12, 165774270), (15, 132619416), (18, 110516180), (20, 99464562), (24, 82887135), (30, 66309708), (36, 55258090), (40, 49732281), (45, 44206472), (60, 33154854), (72, 27629045), (90, 22103236), (120, 16577427), (180, 11051618), (360, 5525809)]