15953260

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 35481600

約数和(自身を除く): 19528340

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 79, 92, 115, 158, 230, 316, 395, 439, 460, 790, 878, 1580, 1756, 1817, 2195, 3634, 4390, 7268, 8780, 9085, 10097, 18170, 20194, 34681, 36340, 40388, 50485, 69362, 100970, 138724, 173405, 201940, 346810, 693620, 797663, 1595326, 3190652, 3988315, 7976630, 15953260]

約数ペア:

[(1, 15953260), (2, 7976630), (4, 3988315), (5, 3190652), (10, 1595326), (20, 797663), (23, 693620), (46, 346810), (79, 201940), (92, 173405), (115, 138724), (158, 100970), (230, 69362), (316, 50485), (395, 40388), (439, 36340), (460, 34681), (790, 20194), (878, 18170), (1580, 10097), (1756, 9085), (1817, 8780), (2195, 7268), (3634, 4390)]