78617880

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19853}}^1$

素因数の和:19881

約数の個数: 96

約数和(自身を含む): 278750160

約数和(自身を除く): 200132280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 55, 60, 66, 72, 88, 90, 99, 110, 120, 132, 165, 180, 198, 220, 264, 330, 360, 396, 440, 495, 660, 792, 990, 1320, 1980, 3960, 19853, 39706, 59559, 79412, 99265, 119118, 158824, 178677, 198530, 218383, 238236, 297795, 357354, 397060, 436766, 476472, 595590, 655149, 714708, 794120, 873532, 893385, 1091915, 1191180, 1310298, 1429416, 1747064, 1786770, 1965447, 2183830, 2382360, 2620596, 3275745, 3573540, 3930894, 4367660, 5241192, 6551490, 7147080, 7861788, 8735320, 9827235, 13102980, 15723576, 19654470, 26205960, 39308940, 78617880]

約数ペア:

[(1, 78617880), (2, 39308940), (3, 26205960), (4, 19654470), (5, 15723576), (6, 13102980), (8, 9827235), (9, 8735320), (10, 7861788), (11, 7147080), (12, 6551490), (15, 5241192), (18, 4367660), (20, 3930894), (22, 3573540), (24, 3275745), (30, 2620596), (33, 2382360), (36, 2183830), (40, 1965447), (44, 1786770), (45, 1747064), (55, 1429416), (60, 1310298), (66, 1191180), (72, 1091915), (88, 893385), (90, 873532), (99, 794120), (110, 714708), (120, 655149), (132, 595590), (165, 476472), (180, 436766), (198, 397060), (220, 357354), (264, 297795), (330, 238236), (360, 218383), (396, 198530), (440, 178677), (495, 158824), (660, 119118), (792, 99265), (990, 79412), (1320, 59559), (1980, 39706), (3960, 19853)]