81105816680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{97}}^1\times {\mathrm{2986223}}^1$

素因数の和:2986338

約数の個数: 64

約数和(自身を含む): 210707965440

約数和(自身を除く): 129602148760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 97, 140, 194, 280, 388, 485, 679, 776, 970, 1358, 1940, 2716, 3395, 3880, 5432, 6790, 13580, 27160, 2986223, 5972446, 11944892, 14931115, 20903561, 23889784, 29862230, 41807122, 59724460, 83614244, 104517805, 119448920, 167228488, 209035610, 289663631, 418071220, 579327262, 836142440, 1158654524, 1448318155, 2027645417, 2317309048, 2896636310, 4055290834, 5793272620, 8110581668, 10138227085, 11586545240, 16221163336, 20276454170, 40552908340, 81105816680]

約数ペア:

[(1, 81105816680), (2, 40552908340), (4, 20276454170), (5, 16221163336), (7, 11586545240), (8, 10138227085), (10, 8110581668), (14, 5793272620), (20, 4055290834), (28, 2896636310), (35, 2317309048), (40, 2027645417), (56, 1448318155), (70, 1158654524), (97, 836142440), (140, 579327262), (194, 418071220), (280, 289663631), (388, 209035610), (485, 167228488), (679, 119448920), (776, 104517805), (970, 83614244), (1358, 59724460), (1940, 41807122), (2716, 29862230), (3395, 23889784), (3880, 20903561), (5432, 14931115), (6790, 11944892), (13580, 5972446), (27160, 2986223)]