1520140

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 36

約数和(自身を含む): 3404016

約数和(自身を除く): 1883876

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 263, 289, 340, 526, 578, 1052, 1156, 1315, 1445, 2630, 2890, 4471, 5260, 5780, 8942, 17884, 22355, 44710, 76007, 89420, 152014, 304028, 380035, 760070, 1520140]

約数ペア:

[(1, 1520140), (2, 760070), (4, 380035), (5, 304028), (10, 152014), (17, 89420), (20, 76007), (34, 44710), (68, 22355), (85, 17884), (170, 8942), (263, 5780), (289, 5260), (340, 4471), (526, 2890), (578, 2630), (1052, 1445), (1156, 1315)]