216919920

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{129119}}^1$

素因数の和:129142

約数の個数: 80

約数和(自身を含む): 768522240

約数和(自身を除く): 551602320

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, 129119, 258238, 387357, 516476, 645595, 774714, 903833, 1032952, 1291190, 1549428, 1807666, 1936785, 2065904, 2582380, 2711499, 3098856, 3615332, 3873570, 4519165, 5164760, 5422998, 6197712, 7230664, 7747140, 9038330, 10329520, 10845996, 13557495, 14461328, 15494280, 18076660, 21691992, 27114990, 30988560, 36153320, 43383984, 54229980, 72306640, 108459960, 216919920]

約数ペア:

[(1, 216919920), (2, 108459960), (3, 72306640), (4, 54229980), (5, 43383984), (6, 36153320), (7, 30988560), (8, 27114990), (10, 21691992), (12, 18076660), (14, 15494280), (15, 14461328), (16, 13557495), (20, 10845996), (21, 10329520), (24, 9038330), (28, 7747140), (30, 7230664), (35, 6197712), (40, 5422998), (42, 5164760), (48, 4519165), (56, 3873570), (60, 3615332), (70, 3098856), (80, 2711499), (84, 2582380), (105, 2065904), (112, 1936785), (120, 1807666), (140, 1549428), (168, 1291190), (210, 1032952), (240, 903833), (280, 774714), (336, 645595), (420, 516476), (560, 387357), (840, 258238), (1680, 129119)]