6440715

素因数分解:

$3^7\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1$

素因数の和:76

約数の個数: 64

約数和(自身を含む): 12595200

約数和(自身を除く): 6154485

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 45, 57, 81, 93, 95, 135, 155, 171, 243, 279, 285, 405, 465, 513, 589, 729, 837, 855, 1215, 1395, 1539, 1767, 2187, 2511, 2565, 2945, 3645, 4185, 4617, 5301, 7533, 7695, 8835, 10935, 12555, 13851, 15903, 22599, 23085, 26505, 37665, 41553, 47709, 67797, 69255, 79515, 112995, 143127, 207765, 238545, 338985, 429381, 715635, 1288143, 2146905, 6440715]

約数ペア:

[(1, 6440715), (3, 2146905), (5, 1288143), (9, 715635), (15, 429381), (19, 338985), (27, 238545), (31, 207765), (45, 143127), (57, 112995), (81, 79515), (93, 69255), (95, 67797), (135, 47709), (155, 41553), (171, 37665), (243, 26505), (279, 23085), (285, 22599), (405, 15903), (465, 13851), (513, 12555), (589, 10935), (729, 8835), (837, 7695), (855, 7533), (1215, 5301), (1395, 4617), (1539, 4185), (1767, 3645), (2187, 2945), (2511, 2565)]