164921680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{653}}^1$

素因数の和:725

約数の個数: 160

約数和(自身を含む): 490468608

約数和(自身を除く): 325546928

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 41, 44, 55, 56, 70, 77, 80, 82, 88, 110, 112, 140, 154, 164, 176, 205, 220, 280, 287, 308, 328, 385, 410, 440, 451, 560, 574, 616, 653, 656, 770, 820, 880, 902, 1148, 1232, 1306, 1435, 1540, 1640, 1804, 2255, 2296, 2612, 2870, 3080, 3157, 3265, 3280, 3608, 4510, 4571, 4592, 5224, 5740, 6160, 6314, 6530, 7183, 7216, 9020, 9142, 10448, 11480, 12628, 13060, 14366, 15785, 18040, 18284, 22855, 22960, 25256, 26120, 26773, 28732, 31570, 35915, 36080, 36568, 45710, 50281, 50512, 52240, 53546, 57464, 63140, 71830, 73136, 91420, 100562, 107092, 114928, 126280, 133865, 143660, 182840, 187411, 201124, 214184, 251405, 252560, 267730, 287320, 294503, 365680, 374822, 402248, 428368, 502810, 535460, 574640, 589006, 749644, 804496, 937055, 1005620, 1070920, 1178012, 1472515, 1499288, 1874110, 2011240, 2061521, 2141840, 2356024, 2945030, 2998576, 3748220, 4022480, 4123042, 4712048, 5890060, 7496440, 8246084, 10307605, 11780120, 14992880, 16492168, 20615210, 23560240, 32984336, 41230420, 82460840, 164921680]

約数ペア:

[(1, 164921680), (2, 82460840), (4, 41230420), (5, 32984336), (7, 23560240), (8, 20615210), (10, 16492168), (11, 14992880), (14, 11780120), (16, 10307605), (20, 8246084), (22, 7496440), (28, 5890060), (35, 4712048), (40, 4123042), (41, 4022480), (44, 3748220), (55, 2998576), (56, 2945030), (70, 2356024), (77, 2141840), (80, 2061521), (82, 2011240), (88, 1874110), (110, 1499288), (112, 1472515), (140, 1178012), (154, 1070920), (164, 1005620), (176, 937055), (205, 804496), (220, 749644), (280, 589006), (287, 574640), (308, 535460), (328, 502810), (385, 428368), (410, 402248), (440, 374822), (451, 365680), (560, 294503), (574, 287320), (616, 267730), (653, 252560), (656, 251405), (770, 214184), (820, 201124), (880, 187411), (902, 182840), (1148, 143660), (1232, 133865), (1306, 126280), (1435, 114928), (1540, 107092), (1640, 100562), (1804, 91420), (2255, 73136), (2296, 71830), (2612, 63140), (2870, 57464), (3080, 53546), (3157, 52240), (3265, 50512), (3280, 50281), (3608, 45710), (4510, 36568), (4571, 36080), (4592, 35915), (5224, 31570), (5740, 28732), (6160, 26773), (6314, 26120), (6530, 25256), (7183, 22960), (7216, 22855), (9020, 18284), (9142, 18040), (10448, 15785), (11480, 14366), (12628, 13060)]