78372280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{113}}^1\times {\mathrm{2477}}^1$

素因数の和:2608

約数の個数: 64

約数和(自身を含む): 203394240

約数和(自身を除く): 125021960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 113, 140, 226, 280, 452, 565, 791, 904, 1130, 1582, 2260, 2477, 3164, 3955, 4520, 4954, 6328, 7910, 9908, 12385, 15820, 17339, 19816, 24770, 31640, 34678, 49540, 69356, 86695, 99080, 138712, 173390, 279901, 346780, 559802, 693560, 1119604, 1399505, 1959307, 2239208, 2799010, 3918614, 5598020, 7837228, 9796535, 11196040, 15674456, 19593070, 39186140, 78372280]

約数ペア:

[(1, 78372280), (2, 39186140), (4, 19593070), (5, 15674456), (7, 11196040), (8, 9796535), (10, 7837228), (14, 5598020), (20, 3918614), (28, 2799010), (35, 2239208), (40, 1959307), (56, 1399505), (70, 1119604), (113, 693560), (140, 559802), (226, 346780), (280, 279901), (452, 173390), (565, 138712), (791, 99080), (904, 86695), (1130, 69356), (1582, 49540), (2260, 34678), (2477, 31640), (3164, 24770), (3955, 19816), (4520, 17339), (4954, 15820), (6328, 12385), (7910, 9908)]