820804530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{300661}}^1$

素因数の和:300691

約数の個数: 64

約数和(自身を含む): 2424538368

約数和(自身を除く): 1603733838

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 91, 105, 130, 182, 195, 210, 273, 390, 455, 546, 910, 1365, 2730, 300661, 601322, 901983, 1503305, 1803966, 2104627, 3006610, 3908593, 4209254, 4509915, 6313881, 7817186, 9019830, 10523135, 11725779, 12627762, 19542965, 21046270, 23451558, 27360151, 31569405, 39085930, 54720302, 58628895, 63138810, 82080453, 117257790, 136800755, 164160906, 273601510, 410402265, 820804530]

約数ペア:

[(1, 820804530), (2, 410402265), (3, 273601510), (5, 164160906), (6, 136800755), (7, 117257790), (10, 82080453), (13, 63138810), (14, 58628895), (15, 54720302), (21, 39085930), (26, 31569405), (30, 27360151), (35, 23451558), (39, 21046270), (42, 19542965), (65, 12627762), (70, 11725779), (78, 10523135), (91, 9019830), (105, 7817186), (130, 6313881), (182, 4509915), (195, 4209254), (210, 3908593), (273, 3006610), (390, 2104627), (455, 1803966), (546, 1503305), (910, 901983), (1365, 601322), (2730, 300661)]