64696240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{5023}}^1$

素因数の和:5066

約数の個数: 80

約数和(自身を含む): 179417088

約数和(自身を除く): 114720848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 35, 40, 46, 56, 70, 80, 92, 112, 115, 140, 161, 184, 230, 280, 322, 368, 460, 560, 644, 805, 920, 1288, 1610, 1840, 2576, 3220, 5023, 6440, 10046, 12880, 20092, 25115, 35161, 40184, 50230, 70322, 80368, 100460, 115529, 140644, 175805, 200920, 231058, 281288, 351610, 401840, 462116, 562576, 577645, 703220, 808703, 924232, 1155290, 1406440, 1617406, 1848464, 2310580, 2812880, 3234812, 4043515, 4621160, 6469624, 8087030, 9242320, 12939248, 16174060, 32348120, 64696240]

約数ペア:

[(1, 64696240), (2, 32348120), (4, 16174060), (5, 12939248), (7, 9242320), (8, 8087030), (10, 6469624), (14, 4621160), (16, 4043515), (20, 3234812), (23, 2812880), (28, 2310580), (35, 1848464), (40, 1617406), (46, 1406440), (56, 1155290), (70, 924232), (80, 808703), (92, 703220), (112, 577645), (115, 562576), (140, 462116), (161, 401840), (184, 351610), (230, 281288), (280, 231058), (322, 200920), (368, 175805), (460, 140644), (560, 115529), (644, 100460), (805, 80368), (920, 70322), (1288, 50230), (1610, 40184), (1840, 35161), (2576, 25115), (3220, 20092), (5023, 12880), (6440, 10046)]