51220980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{284561}}^1$

素因数の和:284576

約数の個数: 36

約数和(自身を含む): 155370852

約数和(自身を除く): 104149872

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 284561, 569122, 853683, 1138244, 1422805, 1707366, 2561049, 2845610, 3414732, 4268415, 5122098, 5691220, 8536830, 10244196, 12805245, 17073660, 25610490, 51220980]

約数ペア:

[(1, 51220980), (2, 25610490), (3, 17073660), (4, 12805245), (5, 10244196), (6, 8536830), (9, 5691220), (10, 5122098), (12, 4268415), (15, 3414732), (18, 2845610), (20, 2561049), (30, 1707366), (36, 1422805), (45, 1138244), (60, 853683), (90, 569122), (180, 284561)]