261104480

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{227}}^1$

素因数の和:341

約数の個数: 192

約数和(自身を含む): 772208640

約数和(自身を除く): 511104160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 160, 182, 208, 224, 227, 260, 280, 316, 364, 395, 416, 454, 455, 520, 553, 560, 632, 728, 790, 908, 910, 1027, 1040, 1106, 1120, 1135, 1264, 1456, 1580, 1589, 1816, 1820, 2054, 2080, 2212, 2270, 2528, 2765, 2912, 2951, 3160, 3178, 3632, 3640, 4108, 4424, 4540, 5135, 5530, 5902, 6320, 6356, 7189, 7264, 7280, 7945, 8216, 8848, 9080, 10270, 11060, 11804, 12640, 12712, 14378, 14560, 14755, 15890, 16432, 17696, 17933, 18160, 20540, 20657, 22120, 23608, 25424, 28756, 29510, 31780, 32864, 35866, 35945, 36320, 41080, 41314, 44240, 47216, 50848, 57512, 59020, 63560, 71732, 71890, 82160, 82628, 88480, 89665, 94432, 103285, 115024, 118040, 125531, 127120, 143464, 143780, 164320, 165256, 179330, 206570, 230048, 233129, 236080, 251062, 254240, 286928, 287560, 330512, 358660, 413140, 466258, 472160, 502124, 573856, 575120, 627655, 661024, 717320, 826280, 932516, 1004248, 1150240, 1165645, 1255310, 1434640, 1631903, 1652560, 1865032, 2008496, 2331290, 2510620, 2869280, 3263806, 3305120, 3730064, 4016992, 4662580, 5021240, 6527612, 7460128, 8159515, 9325160, 10042480, 13055224, 16319030, 18650320, 20084960, 26110448, 32638060, 37300640, 52220896, 65276120, 130552240, 261104480]

約数ペア:

[(1, 261104480), (2, 130552240), (4, 65276120), (5, 52220896), (7, 37300640), (8, 32638060), (10, 26110448), (13, 20084960), (14, 18650320), (16, 16319030), (20, 13055224), (26, 10042480), (28, 9325160), (32, 8159515), (35, 7460128), (40, 6527612), (52, 5021240), (56, 4662580), (65, 4016992), (70, 3730064), (79, 3305120), (80, 3263806), (91, 2869280), (104, 2510620), (112, 2331290), (130, 2008496), (140, 1865032), (158, 1652560), (160, 1631903), (182, 1434640), (208, 1255310), (224, 1165645), (227, 1150240), (260, 1004248), (280, 932516), (316, 826280), (364, 717320), (395, 661024), (416, 627655), (454, 575120), (455, 573856), (520, 502124), (553, 472160), (560, 466258), (632, 413140), (728, 358660), (790, 330512), (908, 287560), (910, 286928), (1027, 254240), (1040, 251062), (1106, 236080), (1120, 233129), (1135, 230048), (1264, 206570), (1456, 179330), (1580, 165256), (1589, 164320), (1816, 143780), (1820, 143464), (2054, 127120), (2080, 125531), (2212, 118040), (2270, 115024), (2528, 103285), (2765, 94432), (2912, 89665), (2951, 88480), (3160, 82628), (3178, 82160), (3632, 71890), (3640, 71732), (4108, 63560), (4424, 59020), (4540, 57512), (5135, 50848), (5530, 47216), (5902, 44240), (6320, 41314), (6356, 41080), (7189, 36320), (7264, 35945), (7280, 35866), (7945, 32864), (8216, 31780), (8848, 29510), (9080, 28756), (10270, 25424), (11060, 23608), (11804, 22120), (12640, 20657), (12712, 20540), (14378, 18160), (14560, 17933), (14755, 17696), (15890, 16432)]