164067960

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{195319}}^1$

素因数の和:195340

約数の個数: 64

約数和(自身を含む): 562521600

約数和(自身を除く): 398453640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 70, 84, 105, 120, 140, 168, 210, 280, 420, 840, 195319, 390638, 585957, 781276, 976595, 1171914, 1367233, 1562552, 1953190, 2343828, 2734466, 2929785, 3906380, 4101699, 4687656, 5468932, 5859570, 6836165, 7812760, 8203398, 10937864, 11719140, 13672330, 16406796, 20508495, 23438280, 27344660, 32813592, 41016990, 54689320, 82033980, 164067960]

約数ペア:

[(1, 164067960), (2, 82033980), (3, 54689320), (4, 41016990), (5, 32813592), (6, 27344660), (7, 23438280), (8, 20508495), (10, 16406796), (12, 13672330), (14, 11719140), (15, 10937864), (20, 8203398), (21, 7812760), (24, 6836165), (28, 5859570), (30, 5468932), (35, 4687656), (40, 4101699), (42, 3906380), (56, 2929785), (60, 2734466), (70, 2343828), (84, 1953190), (105, 1562552), (120, 1367233), (140, 1171914), (168, 976595), (210, 781276), (280, 585957), (420, 390638), (840, 195319)]