131426820

素因数分解:

$2^2\times 3^3\times 5^1\times 7^2\times {\mathrm{4967}}^1$

素因数の和:4999

約数の個数: 144

約数和(自身を含む): 475735680

約数和(自身を除く): 344308860

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 49, 54, 60, 63, 70, 84, 90, 98, 105, 108, 126, 135, 140, 147, 180, 189, 196, 210, 245, 252, 270, 294, 315, 378, 420, 441, 490, 540, 588, 630, 735, 756, 882, 945, 980, 1260, 1323, 1470, 1764, 1890, 2205, 2646, 2940, 3780, 4410, 4967, 5292, 6615, 8820, 9934, 13230, 14901, 19868, 24835, 26460, 29802, 34769, 44703, 49670, 59604, 69538, 74505, 89406, 99340, 104307, 134109, 139076, 149010, 173845, 178812, 208614, 223515, 243383, 268218, 298020, 312921, 347690, 417228, 447030, 486766, 521535, 536436, 625842, 670545, 695380, 730149, 894060, 938763, 973532, 1043070, 1216915, 1251684, 1341090, 1460298, 1564605, 1877526, 2086140, 2190447, 2433830, 2682180, 2920596, 3129210, 3650745, 3755052, 4380894, 4693815, 4867660, 6258420, 6571341, 7301490, 8761788, 9387630, 10952235, 13142682, 14602980, 18775260, 21904470, 26285364, 32856705, 43808940, 65713410, 131426820]

約数ペア:

[(1, 131426820), (2, 65713410), (3, 43808940), (4, 32856705), (5, 26285364), (6, 21904470), (7, 18775260), (9, 14602980), (10, 13142682), (12, 10952235), (14, 9387630), (15, 8761788), (18, 7301490), (20, 6571341), (21, 6258420), (27, 4867660), (28, 4693815), (30, 4380894), (35, 3755052), (36, 3650745), (42, 3129210), (45, 2920596), (49, 2682180), (54, 2433830), (60, 2190447), (63, 2086140), (70, 1877526), (84, 1564605), (90, 1460298), (98, 1341090), (105, 1251684), (108, 1216915), (126, 1043070), (135, 973532), (140, 938763), (147, 894060), (180, 730149), (189, 695380), (196, 670545), (210, 625842), (245, 536436), (252, 521535), (270, 486766), (294, 447030), (315, 417228), (378, 347690), (420, 312921), (441, 298020), (490, 268218), (540, 243383), (588, 223515), (630, 208614), (735, 178812), (756, 173845), (882, 149010), (945, 139076), (980, 134109), (1260, 104307), (1323, 99340), (1470, 89406), (1764, 74505), (1890, 69538), (2205, 59604), (2646, 49670), (2940, 44703), (3780, 34769), (4410, 29802), (4967, 26460), (5292, 24835), (6615, 19868), (8820, 14901), (9934, 13230)]