1379280

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{821}}^1$

素因数の和:844

約数の個数: 80

約数和(自身を含む): 4892544

約数和(自身を除く): 3513264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 821, 840, 1642, 1680, 2463, 3284, 4105, 4926, 5747, 6568, 8210, 9852, 11494, 12315, 13136, 16420, 17241, 19704, 22988, 24630, 28735, 32840, 34482, 39408, 45976, 49260, 57470, 65680, 68964, 86205, 91952, 98520, 114940, 137928, 172410, 197040, 229880, 275856, 344820, 459760, 689640, 1379280]

約数ペア:

[(1, 1379280), (2, 689640), (3, 459760), (4, 344820), (5, 275856), (6, 229880), (7, 197040), (8, 172410), (10, 137928), (12, 114940), (14, 98520), (15, 91952), (16, 86205), (20, 68964), (21, 65680), (24, 57470), (28, 49260), (30, 45976), (35, 39408), (40, 34482), (42, 32840), (48, 28735), (56, 24630), (60, 22988), (70, 19704), (80, 17241), (84, 16420), (105, 13136), (112, 12315), (120, 11494), (140, 9852), (168, 8210), (210, 6568), (240, 5747), (280, 4926), (336, 4105), (420, 3284), (560, 2463), (821, 1680), (840, 1642)]