84152720

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1439}}^1$

素因数の和:1512

約数の個数: 80

約数和(自身を含む): 212129280

約数和(自身を除く): 127976560

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 43, 68, 80, 85, 86, 136, 170, 172, 215, 272, 340, 344, 430, 680, 688, 731, 860, 1360, 1439, 1462, 1720, 2878, 2924, 3440, 3655, 5756, 5848, 7195, 7310, 11512, 11696, 14390, 14620, 23024, 24463, 28780, 29240, 48926, 57560, 58480, 61877, 97852, 115120, 122315, 123754, 195704, 244630, 247508, 309385, 391408, 489260, 495016, 618770, 978520, 990032, 1051909, 1237540, 1957040, 2103818, 2475080, 4207636, 4950160, 5259545, 8415272, 10519090, 16830544, 21038180, 42076360, 84152720]

約数ペア:

[(1, 84152720), (2, 42076360), (4, 21038180), (5, 16830544), (8, 10519090), (10, 8415272), (16, 5259545), (17, 4950160), (20, 4207636), (34, 2475080), (40, 2103818), (43, 1957040), (68, 1237540), (80, 1051909), (85, 990032), (86, 978520), (136, 618770), (170, 495016), (172, 489260), (215, 391408), (272, 309385), (340, 247508), (344, 244630), (430, 195704), (680, 123754), (688, 122315), (731, 115120), (860, 97852), (1360, 61877), (1439, 58480), (1462, 57560), (1720, 48926), (2878, 29240), (2924, 28780), (3440, 24463), (3655, 23024), (5756, 14620), (5848, 14390), (7195, 11696), (7310, 11512)]