261275840

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{877}}^1$

素因数の和:927

約数の個数: 168

約数和(自身を含む): 762701040

約数和(自身を除く): 501425200

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 49, 56, 64, 70, 76, 80, 95, 98, 112, 133, 140, 152, 160, 190, 196, 224, 245, 266, 280, 304, 320, 380, 392, 448, 490, 532, 560, 608, 665, 760, 784, 877, 931, 980, 1064, 1120, 1216, 1330, 1520, 1568, 1754, 1862, 1960, 2128, 2240, 2660, 3040, 3136, 3508, 3724, 3920, 4256, 4385, 4655, 5320, 6080, 6139, 7016, 7448, 7840, 8512, 8770, 9310, 10640, 12278, 14032, 14896, 15680, 16663, 17540, 18620, 21280, 24556, 28064, 29792, 30695, 33326, 35080, 37240, 42560, 42973, 49112, 56128, 59584, 61390, 66652, 70160, 74480, 83315, 85946, 98224, 116641, 122780, 133304, 140320, 148960, 166630, 171892, 196448, 214865, 233282, 245560, 266608, 280640, 297920, 333260, 343784, 392896, 429730, 466564, 491120, 533216, 583205, 666520, 687568, 816487, 859460, 933128, 982240, 1066432, 1166410, 1333040, 1375136, 1632974, 1718920, 1866256, 1964480, 2332820, 2666080, 2750272, 3265948, 3437840, 3732512, 4082435, 4665640, 5332160, 6531896, 6875680, 7465024, 8164870, 9331280, 13063792, 13751360, 16329740, 18662560, 26127584, 32659480, 37325120, 52255168, 65318960, 130637920, 261275840]

約数ペア:

[(1, 261275840), (2, 130637920), (4, 65318960), (5, 52255168), (7, 37325120), (8, 32659480), (10, 26127584), (14, 18662560), (16, 16329740), (19, 13751360), (20, 13063792), (28, 9331280), (32, 8164870), (35, 7465024), (38, 6875680), (40, 6531896), (49, 5332160), (56, 4665640), (64, 4082435), (70, 3732512), (76, 3437840), (80, 3265948), (95, 2750272), (98, 2666080), (112, 2332820), (133, 1964480), (140, 1866256), (152, 1718920), (160, 1632974), (190, 1375136), (196, 1333040), (224, 1166410), (245, 1066432), (266, 982240), (280, 933128), (304, 859460), (320, 816487), (380, 687568), (392, 666520), (448, 583205), (490, 533216), (532, 491120), (560, 466564), (608, 429730), (665, 392896), (760, 343784), (784, 333260), (877, 297920), (931, 280640), (980, 266608), (1064, 245560), (1120, 233282), (1216, 214865), (1330, 196448), (1520, 171892), (1568, 166630), (1754, 148960), (1862, 140320), (1960, 133304), (2128, 122780), (2240, 116641), (2660, 98224), (3040, 85946), (3136, 83315), (3508, 74480), (3724, 70160), (3920, 66652), (4256, 61390), (4385, 59584), (4655, 56128), (5320, 49112), (6080, 42973), (6139, 42560), (7016, 37240), (7448, 35080), (7840, 33326), (8512, 30695), (8770, 29792), (9310, 28064), (10640, 24556), (12278, 21280), (14032, 18620), (14896, 17540), (15680, 16663)]