15295540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 48

約数和(自身を含む): 35033040

約数和(自身を除く): 19737500

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 89, 130, 178, 260, 356, 445, 661, 890, 1157, 1322, 1780, 2314, 2644, 3305, 4628, 5785, 6610, 8593, 11570, 13220, 17186, 23140, 34372, 42965, 58829, 85930, 117658, 171860, 235316, 294145, 588290, 764777, 1176580, 1529554, 3059108, 3823885, 7647770, 15295540]

約数ペア:

[(1, 15295540), (2, 7647770), (4, 3823885), (5, 3059108), (10, 1529554), (13, 1176580), (20, 764777), (26, 588290), (52, 294145), (65, 235316), (89, 171860), (130, 117658), (178, 85930), (260, 58829), (356, 42965), (445, 34372), (661, 23140), (890, 17186), (1157, 13220), (1322, 11570), (1780, 8593), (2314, 6610), (2644, 5785), (3305, 4628)]