161495740

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{293}}^1$

素因数の和:467

約数の個数: 96

約数和(自身を含む): 404619264

約数和(自身を除く): 243123524

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 127, 140, 155, 217, 254, 293, 310, 434, 508, 586, 620, 635, 868, 889, 1085, 1172, 1270, 1465, 1778, 2051, 2170, 2540, 2930, 3556, 3937, 4102, 4340, 4445, 5860, 7874, 8204, 8890, 9083, 10255, 15748, 17780, 18166, 19685, 20510, 27559, 36332, 37211, 39370, 41020, 45415, 55118, 63581, 74422, 78740, 90830, 110236, 127162, 137795, 148844, 181660, 186055, 254324, 260477, 275590, 317905, 372110, 520954, 551180, 635810, 744220, 1041908, 1153541, 1271620, 1302385, 2307082, 2604770, 4614164, 5209540, 5767705, 8074787, 11535410, 16149574, 23070820, 32299148, 40373935, 80747870, 161495740]

約数ペア:

[(1, 161495740), (2, 80747870), (4, 40373935), (5, 32299148), (7, 23070820), (10, 16149574), (14, 11535410), (20, 8074787), (28, 5767705), (31, 5209540), (35, 4614164), (62, 2604770), (70, 2307082), (124, 1302385), (127, 1271620), (140, 1153541), (155, 1041908), (217, 744220), (254, 635810), (293, 551180), (310, 520954), (434, 372110), (508, 317905), (586, 275590), (620, 260477), (635, 254324), (868, 186055), (889, 181660), (1085, 148844), (1172, 137795), (1270, 127162), (1465, 110236), (1778, 90830), (2051, 78740), (2170, 74422), (2540, 63581), (2930, 55118), (3556, 45415), (3937, 41020), (4102, 39370), (4340, 37211), (4445, 36332), (5860, 27559), (7874, 20510), (8204, 19685), (8890, 18166), (9083, 17780), (10255, 15748)]