7956780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{101}}^2$

素因数の和:227

約数の個数: 72

約数和(自身を含む): 24232656

約数和(自身を除く): 16275876

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 101, 130, 156, 195, 202, 260, 303, 390, 404, 505, 606, 780, 1010, 1212, 1313, 1515, 2020, 2626, 3030, 3939, 5252, 6060, 6565, 7878, 10201, 13130, 15756, 19695, 20402, 26260, 30603, 39390, 40804, 51005, 61206, 78780, 102010, 122412, 132613, 153015, 204020, 265226, 306030, 397839, 530452, 612060, 663065, 795678, 1326130, 1591356, 1989195, 2652260, 3978390, 7956780]

約数ペア:

[(1, 7956780), (2, 3978390), (3, 2652260), (4, 1989195), (5, 1591356), (6, 1326130), (10, 795678), (12, 663065), (13, 612060), (15, 530452), (20, 397839), (26, 306030), (30, 265226), (39, 204020), (52, 153015), (60, 132613), (65, 122412), (78, 102010), (101, 78780), (130, 61206), (156, 51005), (195, 40804), (202, 39390), (260, 30603), (303, 26260), (390, 20402), (404, 19695), (505, 15756), (606, 13130), (780, 10201), (1010, 7878), (1212, 6565), (1313, 6060), (1515, 5252), (2020, 3939), (2626, 3030)]