15878480

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1\times {\mathrm{103}}^1$

素因数の和:204

約数の個数: 80

約数和(自身を含む): 38997504

約数和(自身を除く): 23119024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 47, 80, 82, 94, 103, 164, 188, 205, 206, 235, 328, 376, 410, 412, 470, 515, 656, 752, 820, 824, 940, 1030, 1640, 1648, 1880, 1927, 2060, 3280, 3760, 3854, 4120, 4223, 4841, 7708, 8240, 8446, 9635, 9682, 15416, 16892, 19270, 19364, 21115, 24205, 30832, 33784, 38540, 38728, 42230, 48410, 67568, 77080, 77456, 84460, 96820, 154160, 168920, 193640, 198481, 337840, 387280, 396962, 793924, 992405, 1587848, 1984810, 3175696, 3969620, 7939240, 15878480]

約数ペア:

[(1, 15878480), (2, 7939240), (4, 3969620), (5, 3175696), (8, 1984810), (10, 1587848), (16, 992405), (20, 793924), (40, 396962), (41, 387280), (47, 337840), (80, 198481), (82, 193640), (94, 168920), (103, 154160), (164, 96820), (188, 84460), (205, 77456), (206, 77080), (235, 67568), (328, 48410), (376, 42230), (410, 38728), (412, 38540), (470, 33784), (515, 30832), (656, 24205), (752, 21115), (820, 19364), (824, 19270), (940, 16892), (1030, 15416), (1640, 9682), (1648, 9635), (1880, 8446), (1927, 8240), (2060, 7708), (3280, 4841), (3760, 4223), (3854, 4120)]