81440688

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{12757}}^1$

素因数の和:12794

約数の個数: 80

約数和(自身を含む): 253118720

約数和(自身を除く): 171678032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 798, 912, 1064, 1596, 2128, 3192, 6384, 12757, 25514, 38271, 51028, 76542, 89299, 102056, 153084, 178598, 204112, 242383, 267897, 306168, 357196, 484766, 535794, 612336, 714392, 727149, 969532, 1071588, 1428784, 1454298, 1696681, 1939064, 2143176, 2908596, 3393362, 3878128, 4286352, 5090043, 5817192, 6786724, 10180086, 11634384, 13573448, 20360172, 27146896, 40720344, 81440688]

約数ペア:

[(1, 81440688), (2, 40720344), (3, 27146896), (4, 20360172), (6, 13573448), (7, 11634384), (8, 10180086), (12, 6786724), (14, 5817192), (16, 5090043), (19, 4286352), (21, 3878128), (24, 3393362), (28, 2908596), (38, 2143176), (42, 1939064), (48, 1696681), (56, 1454298), (57, 1428784), (76, 1071588), (84, 969532), (112, 727149), (114, 714392), (133, 612336), (152, 535794), (168, 484766), (228, 357196), (266, 306168), (304, 267897), (336, 242383), (399, 204112), (456, 178598), (532, 153084), (798, 102056), (912, 89299), (1064, 76542), (1596, 51028), (2128, 38271), (3192, 25514), (6384, 12757)]