15256820

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1951}}^1$

素因数の和:2000

約数の個数: 48

約数和(自身を含む): 35417088

約数和(自身を除く): 20160268

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1951, 1955, 3902, 3910, 7804, 7820, 9755, 19510, 33167, 39020, 44873, 66334, 89746, 132668, 165835, 179492, 224365, 331670, 448730, 663340, 762841, 897460, 1525682, 3051364, 3814205, 7628410, 15256820]

約数ペア:

[(1, 15256820), (2, 7628410), (4, 3814205), (5, 3051364), (10, 1525682), (17, 897460), (20, 762841), (23, 663340), (34, 448730), (46, 331670), (68, 224365), (85, 179492), (92, 165835), (115, 132668), (170, 89746), (230, 66334), (340, 44873), (391, 39020), (460, 33167), (782, 19510), (1564, 9755), (1951, 7820), (1955, 7804), (3902, 3910)]