68651780

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{8779}}^1$

素因数の和:8828

約数の個数: 48

約数和(自身を含む): 159304320

約数和(自身を除く): 90652540

約数列:

[1, 2, 4, 5, 10, 17, 20, 23, 34, 46, 68, 85, 92, 115, 170, 230, 340, 391, 460, 782, 1564, 1955, 3910, 7820, 8779, 17558, 35116, 43895, 87790, 149243, 175580, 201917, 298486, 403834, 596972, 746215, 807668, 1009585, 1492430, 2019170, 2984860, 3432589, 4038340, 6865178, 13730356, 17162945, 34325890, 68651780]

約数ペア:

[(1, 68651780), (2, 34325890), (4, 17162945), (5, 13730356), (10, 6865178), (17, 4038340), (20, 3432589), (23, 2984860), (34, 2019170), (46, 1492430), (68, 1009585), (85, 807668), (92, 746215), (115, 596972), (170, 403834), (230, 298486), (340, 201917), (391, 175580), (460, 149243), (782, 87790), (1564, 43895), (1955, 35116), (3910, 17558), (7820, 8779)]