80914140

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{16649}}^1$

素因数の和:16673

約数の個数: 72

約数和(自身を含む): 254545200

約数和(自身を除く): 173631060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 810, 972, 1215, 1620, 2430, 4860, 16649, 33298, 49947, 66596, 83245, 99894, 149841, 166490, 199788, 249735, 299682, 332980, 449523, 499470, 599364, 749205, 899046, 998940, 1348569, 1498410, 1798092, 2247615, 2697138, 2996820, 4045707, 4495230, 5394276, 6742845, 8091414, 8990460, 13485690, 16182828, 20228535, 26971380, 40457070, 80914140]

約数ペア:

[(1, 80914140), (2, 40457070), (3, 26971380), (4, 20228535), (5, 16182828), (6, 13485690), (9, 8990460), (10, 8091414), (12, 6742845), (15, 5394276), (18, 4495230), (20, 4045707), (27, 2996820), (30, 2697138), (36, 2247615), (45, 1798092), (54, 1498410), (60, 1348569), (81, 998940), (90, 899046), (108, 749205), (135, 599364), (162, 499470), (180, 449523), (243, 332980), (270, 299682), (324, 249735), (405, 199788), (486, 166490), (540, 149841), (810, 99894), (972, 83245), (1215, 66596), (1620, 49947), (2430, 33298), (4860, 16649)]