140380380

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{2591}}^1$

素因数の和:2656

約数の個数: 144

約数和(自身を含む): 498161664

約数和(自身を除く): 357781284

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, 2591, 2709, 3010, 3612, 3870, 4515, 5182, 5418, 6020, 7740, 7773, 9030, 10364, 10836, 12955, 13545, 15546, 18060, 18137, 23319, 25910, 27090, 31092, 36274, 38865, 46638, 51820, 54180, 54411, 72548, 77730, 90685, 93276, 108822, 111413, 116595, 155460, 163233, 181370, 217644, 222826, 233190, 272055, 326466, 334239, 362740, 445652, 466380, 544110, 557065, 652932, 668478, 779891, 816165, 1002717, 1088220, 1114130, 1336956, 1559782, 1632330, 1671195, 2005434, 2228260, 2339673, 3119564, 3264660, 3342390, 3899455, 4010868, 4679346, 5013585, 6684780, 7019019, 7798910, 9358692, 10027170, 11698365, 14038038, 15597820, 20054340, 23396730, 28076076, 35095095, 46793460, 70190190, 140380380]

約数ペア:

[(1, 140380380), (2, 70190190), (3, 46793460), (4, 35095095), (5, 28076076), (6, 23396730), (7, 20054340), (9, 15597820), (10, 14038038), (12, 11698365), (14, 10027170), (15, 9358692), (18, 7798910), (20, 7019019), (21, 6684780), (28, 5013585), (30, 4679346), (35, 4010868), (36, 3899455), (42, 3342390), (43, 3264660), (45, 3119564), (60, 2339673), (63, 2228260), (70, 2005434), (84, 1671195), (86, 1632330), (90, 1559782), (105, 1336956), (126, 1114130), (129, 1088220), (140, 1002717), (172, 816165), (180, 779891), (210, 668478), (215, 652932), (252, 557065), (258, 544110), (301, 466380), (315, 445652), (387, 362740), (420, 334239), (430, 326466), (516, 272055), (602, 233190), (630, 222826), (645, 217644), (774, 181370), (860, 163233), (903, 155460), (1204, 116595), (1260, 111413), (1290, 108822), (1505, 93276), (1548, 90685), (1806, 77730), (1935, 72548), (2580, 54411), (2591, 54180), (2709, 51820), (3010, 46638), (3612, 38865), (3870, 36274), (4515, 31092), (5182, 27090), (5418, 25910), (6020, 23319), (7740, 18137), (7773, 18060), (9030, 15546), (10364, 13545), (10836, 12955)]