320156689664

素因数分解:

$2^8\times 7^1\times {\mathrm{89}}^1\times {\mathrm{2007403}}^1$

素因数の和:2007515

約数の個数: 72

約数和(自身を含む): 738564079680

約数和(自身を除く): 418407390016

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 89, 112, 128, 178, 224, 256, 356, 448, 623, 712, 896, 1246, 1424, 1792, 2492, 2848, 4984, 5696, 9968, 11392, 19936, 22784, 39872, 79744, 159488, 2007403, 4014806, 8029612, 14051821, 16059224, 28103642, 32118448, 56207284, 64236896, 112414568, 128473792, 178658867, 224829136, 256947584, 357317734, 449658272, 513895168, 714635468, 899316544, 1250612069, 1429270936, 1798633088, 2501224138, 2858541872, 3597266176, 5002448276, 5717083744, 10004896552, 11434167488, 20009793104, 22868334976, 40019586208, 45736669952, 80039172416, 160078344832, 320156689664]

約数ペア:

[(1, 320156689664), (2, 160078344832), (4, 80039172416), (7, 45736669952), (8, 40019586208), (14, 22868334976), (16, 20009793104), (28, 11434167488), (32, 10004896552), (56, 5717083744), (64, 5002448276), (89, 3597266176), (112, 2858541872), (128, 2501224138), (178, 1798633088), (224, 1429270936), (256, 1250612069), (356, 899316544), (448, 714635468), (623, 513895168), (712, 449658272), (896, 357317734), (1246, 256947584), (1424, 224829136), (1792, 178658867), (2492, 128473792), (2848, 112414568), (4984, 64236896), (5696, 56207284), (9968, 32118448), (11392, 28103642), (19936, 16059224), (22784, 14051821), (39872, 8029612), (79744, 4014806), (159488, 2007403)]