251126820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{241}}^1\times {\mathrm{827}}^1$

素因数の和:1090

約数の個数: 144

約数和(自身を含む): 875242368

約数和(自身を除く): 624115548

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 241, 252, 315, 420, 482, 630, 723, 827, 964, 1205, 1260, 1446, 1654, 1687, 2169, 2410, 2481, 2892, 3308, 3374, 3615, 4135, 4338, 4820, 4962, 5061, 5789, 6748, 7230, 7443, 8270, 8435, 8676, 9924, 10122, 10845, 11578, 12405, 14460, 14886, 15183, 16540, 16870, 17367, 20244, 21690, 23156, 24810, 25305, 28945, 29772, 30366, 33740, 34734, 37215, 43380, 49620, 50610, 52101, 57890, 60732, 69468, 74430, 75915, 86835, 101220, 104202, 115780, 148860, 151830, 173670, 199307, 208404, 260505, 303660, 347340, 398614, 521010, 597921, 797228, 996535, 1042020, 1195842, 1395149, 1793763, 1993070, 2391684, 2790298, 2989605, 3587526, 3986140, 4185447, 5580596, 5979210, 6975745, 7175052, 8370894, 8968815, 11958420, 12556341, 13951490, 16741788, 17937630, 20927235, 25112682, 27902980, 35875260, 41854470, 50225364, 62781705, 83708940, 125563410, 251126820]

約数ペア:

[(1, 251126820), (2, 125563410), (3, 83708940), (4, 62781705), (5, 50225364), (6, 41854470), (7, 35875260), (9, 27902980), (10, 25112682), (12, 20927235), (14, 17937630), (15, 16741788), (18, 13951490), (20, 12556341), (21, 11958420), (28, 8968815), (30, 8370894), (35, 7175052), (36, 6975745), (42, 5979210), (45, 5580596), (60, 4185447), (63, 3986140), (70, 3587526), (84, 2989605), (90, 2790298), (105, 2391684), (126, 1993070), (140, 1793763), (180, 1395149), (210, 1195842), (241, 1042020), (252, 996535), (315, 797228), (420, 597921), (482, 521010), (630, 398614), (723, 347340), (827, 303660), (964, 260505), (1205, 208404), (1260, 199307), (1446, 173670), (1654, 151830), (1687, 148860), (2169, 115780), (2410, 104202), (2481, 101220), (2892, 86835), (3308, 75915), (3374, 74430), (3615, 69468), (4135, 60732), (4338, 57890), (4820, 52101), (4962, 50610), (5061, 49620), (5789, 43380), (6748, 37215), (7230, 34734), (7443, 33740), (8270, 30366), (8435, 29772), (8676, 28945), (9924, 25305), (10122, 24810), (10845, 23156), (11578, 21690), (12405, 20244), (14460, 17367), (14886, 16870), (15183, 16540)]