30515320

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{223}}^1\times {\mathrm{311}}^1$

素因数の和:556

約数の個数: 64

約数和(自身を含む): 75479040

約数和(自身を除く): 44963720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 223, 311, 440, 446, 622, 892, 1115, 1244, 1555, 1784, 2230, 2453, 2488, 3110, 3421, 4460, 4906, 6220, 6842, 8920, 9812, 12265, 12440, 13684, 17105, 19624, 24530, 27368, 34210, 49060, 68420, 69353, 98120, 136840, 138706, 277412, 346765, 554824, 693530, 762883, 1387060, 1525766, 2774120, 3051532, 3814415, 6103064, 7628830, 15257660, 30515320]

約数ペア:

[(1, 30515320), (2, 15257660), (4, 7628830), (5, 6103064), (8, 3814415), (10, 3051532), (11, 2774120), (20, 1525766), (22, 1387060), (40, 762883), (44, 693530), (55, 554824), (88, 346765), (110, 277412), (220, 138706), (223, 136840), (311, 98120), (440, 69353), (446, 68420), (622, 49060), (892, 34210), (1115, 27368), (1244, 24530), (1555, 19624), (1784, 17105), (2230, 13684), (2453, 12440), (2488, 12265), (3110, 9812), (3421, 8920), (4460, 6842), (4906, 6220)]