164190320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{449}}^1\times {\mathrm{653}}^1$

素因数の和:1122

約数の個数: 80

約数和(自身を含む): 437918400

約数和(自身を除く): 273728080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 449, 560, 653, 898, 1306, 1796, 2245, 2612, 3143, 3265, 3592, 4490, 4571, 5224, 6286, 6530, 7184, 8980, 9142, 10448, 12572, 13060, 15715, 17960, 18284, 22855, 25144, 26120, 31430, 35920, 36568, 45710, 50288, 52240, 62860, 73136, 91420, 125720, 182840, 251440, 293197, 365680, 586394, 1172788, 1465985, 2052379, 2345576, 2931970, 4104758, 4691152, 5863940, 8209516, 10261895, 11727880, 16419032, 20523790, 23455760, 32838064, 41047580, 82095160, 164190320]

約数ペア:

[(1, 164190320), (2, 82095160), (4, 41047580), (5, 32838064), (7, 23455760), (8, 20523790), (10, 16419032), (14, 11727880), (16, 10261895), (20, 8209516), (28, 5863940), (35, 4691152), (40, 4104758), (56, 2931970), (70, 2345576), (80, 2052379), (112, 1465985), (140, 1172788), (280, 586394), (449, 365680), (560, 293197), (653, 251440), (898, 182840), (1306, 125720), (1796, 91420), (2245, 73136), (2612, 62860), (3143, 52240), (3265, 50288), (3592, 45710), (4490, 36568), (4571, 35920), (5224, 31430), (6286, 26120), (6530, 25144), (7184, 22855), (8980, 18284), (9142, 17960), (10448, 15715), (12572, 13060)]