140536640

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^2\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 84

約数和(自身を含む): 346553028

約数和(自身を除く): 206016388

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 160, 248, 310, 320, 457, 496, 620, 914, 961, 992, 1240, 1828, 1922, 1984, 2285, 2480, 3656, 3844, 4570, 4805, 4960, 7312, 7688, 9140, 9610, 9920, 14167, 14624, 15376, 18280, 19220, 28334, 29248, 30752, 36560, 38440, 56668, 61504, 70835, 73120, 76880, 113336, 141670, 146240, 153760, 226672, 283340, 307520, 439177, 453344, 566680, 878354, 906688, 1133360, 1756708, 2195885, 2266720, 3513416, 4391770, 4533440, 7026832, 8783540, 14053664, 17567080, 28107328, 35134160, 70268320, 140536640]

約数ペア:

[(1, 140536640), (2, 70268320), (4, 35134160), (5, 28107328), (8, 17567080), (10, 14053664), (16, 8783540), (20, 7026832), (31, 4533440), (32, 4391770), (40, 3513416), (62, 2266720), (64, 2195885), (80, 1756708), (124, 1133360), (155, 906688), (160, 878354), (248, 566680), (310, 453344), (320, 439177), (457, 307520), (496, 283340), (620, 226672), (914, 153760), (961, 146240), (992, 141670), (1240, 113336), (1828, 76880), (1922, 73120), (1984, 70835), (2285, 61504), (2480, 56668), (3656, 38440), (3844, 36560), (4570, 30752), (4805, 29248), (4960, 28334), (7312, 19220), (7688, 18280), (9140, 15376), (9610, 14624), (9920, 14167)]