15928880

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{787}}^1$

素因数の和:834

約数の個数: 80

約数和(自身を含む): 42211584

約数和(自身を除く): 26282704

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 23, 40, 44, 46, 55, 80, 88, 92, 110, 115, 176, 184, 220, 230, 253, 368, 440, 460, 506, 787, 880, 920, 1012, 1265, 1574, 1840, 2024, 2530, 3148, 3935, 4048, 5060, 6296, 7870, 8657, 10120, 12592, 15740, 17314, 18101, 20240, 31480, 34628, 36202, 43285, 62960, 69256, 72404, 86570, 90505, 138512, 144808, 173140, 181010, 199111, 289616, 346280, 362020, 398222, 692560, 724040, 796444, 995555, 1448080, 1592888, 1991110, 3185776, 3982220, 7964440, 15928880]

約数ペア:

[(1, 15928880), (2, 7964440), (4, 3982220), (5, 3185776), (8, 1991110), (10, 1592888), (11, 1448080), (16, 995555), (20, 796444), (22, 724040), (23, 692560), (40, 398222), (44, 362020), (46, 346280), (55, 289616), (80, 199111), (88, 181010), (92, 173140), (110, 144808), (115, 138512), (176, 90505), (184, 86570), (220, 72404), (230, 69256), (253, 62960), (368, 43285), (440, 36202), (460, 34628), (506, 31480), (787, 20240), (880, 18101), (920, 17314), (1012, 15740), (1265, 12592), (1574, 10120), (1840, 8657), (2024, 7870), (2530, 6296), (3148, 5060), (3935, 4048)]