61811320

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{5347}}^1$

素因数の和:5392

約数の個数: 48

約数和(自身を含む): 147765240

約数和(自身を除く): 85953920

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5347, 5780, 10694, 11560, 21388, 26735, 42776, 53470, 90899, 106940, 181798, 213880, 363596, 454495, 727192, 908990, 1545283, 1817980, 3090566, 3635960, 6181132, 7726415, 12362264, 15452830, 30905660, 61811320]

約数ペア:

[(1, 61811320), (2, 30905660), (4, 15452830), (5, 12362264), (8, 7726415), (10, 6181132), (17, 3635960), (20, 3090566), (34, 1817980), (40, 1545283), (68, 908990), (85, 727192), (136, 454495), (170, 363596), (289, 213880), (340, 181798), (578, 106940), (680, 90899), (1156, 53470), (1445, 42776), (2312, 26735), (2890, 21388), (5347, 11560), (5780, 10694)]