221346720

素因数分解:

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

素因数の和:3172

約数の個数: 216

約数和(自身を含む): 878947524

約数和(自身を除く): 657600804

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, 49, 56, 60, 63, 70, 72, 80, 84, 90, 96, 98, 105, 112, 120, 126, 140, 144, 147, 160, 168, 180, 196, 210, 224, 240, 245, 252, 280, 288, 294, 315, 336, 360, 392, 420, 441, 480, 490, 504, 560, 588, 630, 672, 720, 735, 784, 840, 882, 980, 1008, 1120, 1176, 1260, 1440, 1470, 1568, 1680, 1764, 1960, 2016, 2205, 2352, 2520, 2940, 3137, 3360, 3528, 3920, 4410, 4704, 5040, 5880, 6274, 7056, 7840, 8820, 9411, 10080, 11760, 12548, 14112, 15685, 17640, 18822, 21959, 23520, 25096, 28233, 31370, 35280, 37644, 43918, 47055, 50192, 56466, 62740, 65877, 70560, 75288, 87836, 94110, 100384, 109795, 112932, 125480, 131754, 141165, 150576, 153713, 175672, 188220, 197631, 219590, 225864, 250960, 263508, 282330, 301152, 307426, 329385, 351344, 376440, 395262, 439180, 451728, 461139, 501920, 527016, 564660, 614852, 658770, 702688, 752880, 768565, 790524, 878360, 903456, 922278, 988155, 1054032, 1129320, 1229704, 1317540, 1383417, 1505760, 1537130, 1581048, 1756720, 1844556, 1976310, 2108064, 2258640, 2305695, 2459408, 2635080, 2766834, 3074260, 3162096, 3513440, 3689112, 3952620, 4517280, 4611390, 4918816, 5270160, 5533668, 6148520, 6324192, 6917085, 7378224, 7905240, 9222780, 10540320, 11067336, 12297040, 13834170, 14756448, 15810480, 18445560, 22134672, 24594080, 27668340, 31620960, 36891120, 44269344, 55336680, 73782240, 110673360, 221346720]

約数ペア:

[(1, 221346720), (2, 110673360), (3, 73782240), (4, 55336680), (5, 44269344), (6, 36891120), (7, 31620960), (8, 27668340), (9, 24594080), (10, 22134672), (12, 18445560), (14, 15810480), (15, 14756448), (16, 13834170), (18, 12297040), (20, 11067336), (21, 10540320), (24, 9222780), (28, 7905240), (30, 7378224), (32, 6917085), (35, 6324192), (36, 6148520), (40, 5533668), (42, 5270160), (45, 4918816), (48, 4611390), (49, 4517280), (56, 3952620), (60, 3689112), (63, 3513440), (70, 3162096), (72, 3074260), (80, 2766834), (84, 2635080), (90, 2459408), (96, 2305695), (98, 2258640), (105, 2108064), (112, 1976310), (120, 1844556), (126, 1756720), (140, 1581048), (144, 1537130), (147, 1505760), (160, 1383417), (168, 1317540), (180, 1229704), (196, 1129320), (210, 1054032), (224, 988155), (240, 922278), (245, 903456), (252, 878360), (280, 790524), (288, 768565), (294, 752880), (315, 702688), (336, 658770), (360, 614852), (392, 564660), (420, 527016), (441, 501920), (480, 461139), (490, 451728), (504, 439180), (560, 395262), (588, 376440), (630, 351344), (672, 329385), (720, 307426), (735, 301152), (784, 282330), (840, 263508), (882, 250960), (980, 225864), (1008, 219590), (1120, 197631), (1176, 188220), (1260, 175672), (1440, 153713), (1470, 150576), (1568, 141165), (1680, 131754), (1764, 125480), (1960, 112932), (2016, 109795), (2205, 100384), (2352, 94110), (2520, 87836), (2940, 75288), (3137, 70560), (3360, 65877), (3528, 62740), (3920, 56466), (4410, 50192), (4704, 47055), (5040, 43918), (5880, 37644), (6274, 35280), (7056, 31370), (7840, 28233), (8820, 25096), (9411, 23520), (10080, 21959), (11760, 18822), (12548, 17640), (14112, 15685)]