172888380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3256

約数の個数: 144

約数和(自身を含む): 613476864

約数和(自身を除く): 440588484

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 43, 45, 60, 63, 70, 84, 86, 90, 105, 126, 129, 140, 172, 180, 210, 215, 252, 258, 301, 315, 387, 420, 430, 516, 602, 630, 645, 774, 860, 903, 1204, 1260, 1290, 1505, 1548, 1806, 1935, 2580, 2709, 3010, 3191, 3612, 3870, 4515, 5418, 6020, 6382, 7740, 9030, 9573, 10836, 12764, 13545, 15955, 18060, 19146, 22337, 27090, 28719, 31910, 38292, 44674, 47865, 54180, 57438, 63820, 67011, 89348, 95730, 111685, 114876, 134022, 137213, 143595, 191460, 201033, 223370, 268044, 274426, 287190, 335055, 402066, 411639, 446740, 548852, 574380, 670110, 686065, 804132, 823278, 960491, 1005165, 1234917, 1340220, 1372130, 1646556, 1920982, 2010330, 2058195, 2469834, 2744260, 2881473, 3841964, 4020660, 4116390, 4802455, 4939668, 5762946, 6174585, 8232780, 8644419, 9604910, 11525892, 12349170, 14407365, 17288838, 19209820, 24698340, 28814730, 34577676, 43222095, 57629460, 86444190, 172888380]

約数ペア:

[(1, 172888380), (2, 86444190), (3, 57629460), (4, 43222095), (5, 34577676), (6, 28814730), (7, 24698340), (9, 19209820), (10, 17288838), (12, 14407365), (14, 12349170), (15, 11525892), (18, 9604910), (20, 8644419), (21, 8232780), (28, 6174585), (30, 5762946), (35, 4939668), (36, 4802455), (42, 4116390), (43, 4020660), (45, 3841964), (60, 2881473), (63, 2744260), (70, 2469834), (84, 2058195), (86, 2010330), (90, 1920982), (105, 1646556), (126, 1372130), (129, 1340220), (140, 1234917), (172, 1005165), (180, 960491), (210, 823278), (215, 804132), (252, 686065), (258, 670110), (301, 574380), (315, 548852), (387, 446740), (420, 411639), (430, 402066), (516, 335055), (602, 287190), (630, 274426), (645, 268044), (774, 223370), (860, 201033), (903, 191460), (1204, 143595), (1260, 137213), (1290, 134022), (1505, 114876), (1548, 111685), (1806, 95730), (1935, 89348), (2580, 67011), (2709, 63820), (3010, 57438), (3191, 54180), (3612, 47865), (3870, 44674), (4515, 38292), (5418, 31910), (6020, 28719), (6382, 27090), (7740, 22337), (9030, 19146), (9573, 18060), (10836, 15955), (12764, 13545)]