81201576

素因数分解:

$2^3\times 3^1\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{241}}^1$

素因数の和:490

約数の個数: 64

約数和(自身を含む): 207345600

約数和(自身を除く): 126144024

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 101, 139, 202, 241, 278, 303, 404, 417, 482, 556, 606, 723, 808, 834, 964, 1112, 1212, 1446, 1668, 1928, 2424, 2892, 3336, 5784, 14039, 24341, 28078, 33499, 42117, 48682, 56156, 66998, 73023, 84234, 97364, 100497, 112312, 133996, 146046, 168468, 194728, 200994, 267992, 292092, 336936, 401988, 584184, 803976, 3383399, 6766798, 10150197, 13533596, 20300394, 27067192, 40600788, 81201576]

約数ペア:

[(1, 81201576), (2, 40600788), (3, 27067192), (4, 20300394), (6, 13533596), (8, 10150197), (12, 6766798), (24, 3383399), (101, 803976), (139, 584184), (202, 401988), (241, 336936), (278, 292092), (303, 267992), (404, 200994), (417, 194728), (482, 168468), (556, 146046), (606, 133996), (723, 112312), (808, 100497), (834, 97364), (964, 84234), (1112, 73023), (1212, 66998), (1446, 56156), (1668, 48682), (1928, 42117), (2424, 33499), (2892, 28078), (3336, 24341), (5784, 14039)]