1001771920

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{4519}}^1$

素因数の和:4712

約数の個数: 80

約数和(自身を含む): 2481805440

約数和(自身を除く): 1480033520

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 163, 170, 272, 326, 340, 652, 680, 815, 1304, 1360, 1630, 2608, 2771, 3260, 4519, 5542, 6520, 9038, 11084, 13040, 13855, 18076, 22168, 22595, 27710, 36152, 44336, 45190, 55420, 72304, 76823, 90380, 110840, 153646, 180760, 221680, 307292, 361520, 384115, 614584, 736597, 768230, 1229168, 1473194, 1536460, 2946388, 3072920, 3682985, 5892776, 6145840, 7365970, 11785552, 12522149, 14731940, 25044298, 29463880, 50088596, 58927760, 62610745, 100177192, 125221490, 200354384, 250442980, 500885960, 1001771920]

約数ペア:

[(1, 1001771920), (2, 500885960), (4, 250442980), (5, 200354384), (8, 125221490), (10, 100177192), (16, 62610745), (17, 58927760), (20, 50088596), (34, 29463880), (40, 25044298), (68, 14731940), (80, 12522149), (85, 11785552), (136, 7365970), (163, 6145840), (170, 5892776), (272, 3682985), (326, 3072920), (340, 2946388), (652, 1536460), (680, 1473194), (815, 1229168), (1304, 768230), (1360, 736597), (1630, 614584), (2608, 384115), (2771, 361520), (3260, 307292), (4519, 221680), (5542, 180760), (6520, 153646), (9038, 110840), (11084, 90380), (13040, 76823), (13855, 72304), (18076, 55420), (22168, 45190), (22595, 44336), (27710, 36152)]