66979920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{39869}}^1$

素因数の和:39892

約数の個数: 80

約数和(自身を含む): 237306240

約数和(自身を除く): 170326320

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, 840, 1680, 39869, 79738, 119607, 159476, 199345, 239214, 279083, 318952, 398690, 478428, 558166, 598035, 637904, 797380, 837249, 956856, 1116332, 1196070, 1395415, 1594760, 1674498, 1913712, 2232664, 2392140, 2790830, 3189520, 3348996, 4186245, 4465328, 4784280, 5581660, 6697992, 8372490, 9568560, 11163320, 13395984, 16744980, 22326640, 33489960, 66979920]

約数ペア:

[(1, 66979920), (2, 33489960), (3, 22326640), (4, 16744980), (5, 13395984), (6, 11163320), (7, 9568560), (8, 8372490), (10, 6697992), (12, 5581660), (14, 4784280), (15, 4465328), (16, 4186245), (20, 3348996), (21, 3189520), (24, 2790830), (28, 2392140), (30, 2232664), (35, 1913712), (40, 1674498), (42, 1594760), (48, 1395415), (56, 1196070), (60, 1116332), (70, 956856), (80, 837249), (84, 797380), (105, 637904), (112, 598035), (120, 558166), (140, 478428), (168, 398690), (210, 318952), (240, 279083), (280, 239214), (336, 199345), (420, 159476), (560, 119607), (840, 79738), (1680, 39869)]