9780345

素因数分解:

$3^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 80

約数和(自身を含む): 19514880

約数和(自身を除く): 9734535

約数列:

[1, 3, 5, 9, 15, 19, 27, 31, 41, 45, 57, 81, 93, 95, 123, 135, 155, 171, 205, 279, 285, 369, 405, 465, 513, 589, 615, 779, 837, 855, 1107, 1271, 1395, 1539, 1767, 1845, 2337, 2511, 2565, 2945, 3321, 3813, 3895, 4185, 5301, 5535, 6355, 7011, 7695, 8835, 11439, 11685, 12555, 15903, 16605, 19065, 21033, 24149, 26505, 34317, 35055, 47709, 57195, 63099, 72447, 79515, 102951, 105165, 120745, 171585, 217341, 238545, 315495, 362235, 514755, 652023, 1086705, 1956069, 3260115, 9780345]

約数ペア:

[(1, 9780345), (3, 3260115), (5, 1956069), (9, 1086705), (15, 652023), (19, 514755), (27, 362235), (31, 315495), (41, 238545), (45, 217341), (57, 171585), (81, 120745), (93, 105165), (95, 102951), (123, 79515), (135, 72447), (155, 63099), (171, 57195), (205, 47709), (279, 35055), (285, 34317), (369, 26505), (405, 24149), (465, 21033), (513, 19065), (589, 16605), (615, 15903), (779, 12555), (837, 11685), (855, 11439), (1107, 8835), (1271, 7695), (1395, 7011), (1539, 6355), (1767, 5535), (1845, 5301), (2337, 4185), (2511, 3895), (2565, 3813), (2945, 3321)]