181531728

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{2467}}^1$

素因数の和:2561

約数の個数: 120

約数和(自身を含む): 588805568

約数和(自身を除く): 407273840

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 73, 84, 112, 126, 144, 146, 168, 219, 252, 292, 336, 438, 504, 511, 584, 657, 876, 1008, 1022, 1168, 1314, 1533, 1752, 2044, 2467, 2628, 3066, 3504, 4088, 4599, 4934, 5256, 6132, 7401, 8176, 9198, 9868, 10512, 12264, 14802, 17269, 18396, 19736, 22203, 24528, 29604, 34538, 36792, 39472, 44406, 51807, 59208, 69076, 73584, 88812, 103614, 118416, 138152, 155421, 177624, 180091, 207228, 276304, 310842, 355248, 360182, 414456, 540273, 621684, 720364, 828912, 1080546, 1243368, 1260637, 1440728, 1620819, 2161092, 2486736, 2521274, 2881456, 3241638, 3781911, 4322184, 5042548, 6483276, 7563822, 8644368, 10085096, 11345733, 12966552, 15127644, 20170192, 22691466, 25933104, 30255288, 45382932, 60510576, 90765864, 181531728]

約数ペア:

[(1, 181531728), (2, 90765864), (3, 60510576), (4, 45382932), (6, 30255288), (7, 25933104), (8, 22691466), (9, 20170192), (12, 15127644), (14, 12966552), (16, 11345733), (18, 10085096), (21, 8644368), (24, 7563822), (28, 6483276), (36, 5042548), (42, 4322184), (48, 3781911), (56, 3241638), (63, 2881456), (72, 2521274), (73, 2486736), (84, 2161092), (112, 1620819), (126, 1440728), (144, 1260637), (146, 1243368), (168, 1080546), (219, 828912), (252, 720364), (292, 621684), (336, 540273), (438, 414456), (504, 360182), (511, 355248), (584, 310842), (657, 276304), (876, 207228), (1008, 180091), (1022, 177624), (1168, 155421), (1314, 138152), (1533, 118416), (1752, 103614), (2044, 88812), (2467, 73584), (2628, 69076), (3066, 59208), (3504, 51807), (4088, 44406), (4599, 39472), (4934, 36792), (5256, 34538), (6132, 29604), (7401, 24528), (8176, 22203), (9198, 19736), (9868, 18396), (10512, 17269), (12264, 14802)]