15210780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19501}}^1$

素因数の和:19526

約数の個数: 48

約数和(自身を含む): 45868704

約数和(自身を除く): 30657924

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 19501, 39002, 58503, 78004, 97505, 117006, 195010, 234012, 253513, 292515, 390020, 507026, 585030, 760539, 1014052, 1170060, 1267565, 1521078, 2535130, 3042156, 3802695, 5070260, 7605390, 15210780]

約数ペア:

[(1, 15210780), (2, 7605390), (3, 5070260), (4, 3802695), (5, 3042156), (6, 2535130), (10, 1521078), (12, 1267565), (13, 1170060), (15, 1014052), (20, 760539), (26, 585030), (30, 507026), (39, 390020), (52, 292515), (60, 253513), (65, 234012), (78, 195010), (130, 117006), (156, 97505), (195, 78004), (260, 58503), (390, 39002), (780, 19501)]