31620960

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{3137}}^1$

素因数の和:3165

約数の個数: 144

約数和(自身を含む): 123361056

約数和(自身を除く): 91740096

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3137, 3360, 5040, 6274, 9411, 10080, 12548, 15685, 18822, 21959, 25096, 28233, 31370, 37644, 43918, 47055, 50192, 56466, 62740, 65877, 75288, 87836, 94110, 100384, 109795, 112932, 125480, 131754, 141165, 150576, 175672, 188220, 197631, 219590, 225864, 250960, 263508, 282330, 301152, 329385, 351344, 376440, 395262, 439180, 451728, 501920, 527016, 564660, 658770, 702688, 752880, 790524, 878360, 903456, 988155, 1054032, 1129320, 1317540, 1505760, 1581048, 1756720, 1976310, 2108064, 2258640, 2635080, 3162096, 3513440, 3952620, 4517280, 5270160, 6324192, 7905240, 10540320, 15810480, 31620960]

約数ペア:

[(1, 31620960), (2, 15810480), (3, 10540320), (4, 7905240), (5, 6324192), (6, 5270160), (7, 4517280), (8, 3952620), (9, 3513440), (10, 3162096), (12, 2635080), (14, 2258640), (15, 2108064), (16, 1976310), (18, 1756720), (20, 1581048), (21, 1505760), (24, 1317540), (28, 1129320), (30, 1054032), (32, 988155), (35, 903456), (36, 878360), (40, 790524), (42, 752880), (45, 702688), (48, 658770), (56, 564660), (60, 527016), (63, 501920), (70, 451728), (72, 439180), (80, 395262), (84, 376440), (90, 351344), (96, 329385), (105, 301152), (112, 282330), (120, 263508), (126, 250960), (140, 225864), (144, 219590), (160, 197631), (168, 188220), (180, 175672), (210, 150576), (224, 141165), (240, 131754), (252, 125480), (280, 112932), (288, 109795), (315, 100384), (336, 94110), (360, 87836), (420, 75288), (480, 65877), (504, 62740), (560, 56466), (630, 50192), (672, 47055), (720, 43918), (840, 37644), (1008, 31370), (1120, 28233), (1260, 25096), (1440, 21959), (1680, 18822), (2016, 15685), (2520, 12548), (3137, 10080), (3360, 9411), (5040, 6274)]