2780460

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1$

素因数の和:308

約数の個数: 96

約数和(自身を含む): 9139200

約数和(自身を除く): 6358740

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 27, 30, 36, 38, 45, 54, 57, 60, 76, 90, 95, 108, 114, 135, 171, 180, 190, 228, 270, 271, 285, 342, 380, 513, 540, 542, 570, 684, 813, 855, 1026, 1084, 1140, 1355, 1626, 1710, 2052, 2439, 2565, 2710, 3252, 3420, 4065, 4878, 5130, 5149, 5420, 7317, 8130, 9756, 10260, 10298, 12195, 14634, 15447, 16260, 20596, 24390, 25745, 29268, 30894, 36585, 46341, 48780, 51490, 61788, 73170, 77235, 92682, 102980, 139023, 146340, 154470, 185364, 231705, 278046, 308940, 463410, 556092, 695115, 926820, 1390230, 2780460]

約数ペア:

[(1, 2780460), (2, 1390230), (3, 926820), (4, 695115), (5, 556092), (6, 463410), (9, 308940), (10, 278046), (12, 231705), (15, 185364), (18, 154470), (19, 146340), (20, 139023), (27, 102980), (30, 92682), (36, 77235), (38, 73170), (45, 61788), (54, 51490), (57, 48780), (60, 46341), (76, 36585), (90, 30894), (95, 29268), (108, 25745), (114, 24390), (135, 20596), (171, 16260), (180, 15447), (190, 14634), (228, 12195), (270, 10298), (271, 10260), (285, 9756), (342, 8130), (380, 7317), (513, 5420), (540, 5149), (542, 5130), (570, 4878), (684, 4065), (813, 3420), (855, 3252), (1026, 2710), (1084, 2565), (1140, 2439), (1355, 2052), (1626, 1710)]