81469920

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{24247}}^1$

素因数の和:24272

約数の個数: 96

約数和(自身を含む): 293303808

約数和(自身を除く): 211833888

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 24247, 48494, 72741, 96988, 121235, 145482, 169729, 193976, 242470, 290964, 339458, 363705, 387952, 484940, 509187, 581928, 678916, 727410, 775904, 848645, 969880, 1018374, 1163856, 1357832, 1454820, 1697290, 1939760, 2036748, 2327712, 2545935, 2715664, 2909640, 3394580, 3879520, 4073496, 5091870, 5431328, 5819280, 6789160, 8146992, 10183740, 11638560, 13578320, 16293984, 20367480, 27156640, 40734960, 81469920]

約数ペア:

[(1, 81469920), (2, 40734960), (3, 27156640), (4, 20367480), (5, 16293984), (6, 13578320), (7, 11638560), (8, 10183740), (10, 8146992), (12, 6789160), (14, 5819280), (15, 5431328), (16, 5091870), (20, 4073496), (21, 3879520), (24, 3394580), (28, 2909640), (30, 2715664), (32, 2545935), (35, 2327712), (40, 2036748), (42, 1939760), (48, 1697290), (56, 1454820), (60, 1357832), (70, 1163856), (80, 1018374), (84, 969880), (96, 848645), (105, 775904), (112, 727410), (120, 678916), (140, 581928), (160, 509187), (168, 484940), (210, 387952), (224, 363705), (240, 339458), (280, 290964), (336, 242470), (420, 193976), (480, 169729), (560, 145482), (672, 121235), (840, 96988), (1120, 72741), (1680, 48494), (3360, 24247)]