82354720

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{23}}^2\times {\mathrm{139}}^1$

素因数の和:207

約数の個数: 144

約数和(自身を含む): 234118080

約数和(自身を除く): 151763360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 70, 80, 92, 112, 115, 139, 140, 160, 161, 184, 224, 230, 278, 280, 322, 368, 460, 529, 556, 560, 644, 695, 736, 805, 920, 973, 1058, 1112, 1120, 1288, 1390, 1610, 1840, 1946, 2116, 2224, 2576, 2645, 2780, 3197, 3220, 3680, 3703, 3892, 4232, 4448, 4865, 5152, 5290, 5560, 6394, 6440, 7406, 7784, 8464, 9730, 10580, 11120, 12788, 12880, 14812, 15568, 15985, 16928, 18515, 19460, 21160, 22240, 22379, 25576, 25760, 29624, 31136, 31970, 37030, 38920, 42320, 44758, 51152, 59248, 63940, 73531, 74060, 77840, 84640, 89516, 102304, 111895, 118496, 127880, 147062, 148120, 155680, 179032, 223790, 255760, 294124, 296240, 358064, 367655, 447580, 511520, 514717, 588248, 592480, 716128, 735310, 895160, 1029434, 1176496, 1470620, 1790320, 2058868, 2352992, 2573585, 2941240, 3580640, 4117736, 5147170, 5882480, 8235472, 10294340, 11764960, 16470944, 20588680, 41177360, 82354720]

約数ペア:

[(1, 82354720), (2, 41177360), (4, 20588680), (5, 16470944), (7, 11764960), (8, 10294340), (10, 8235472), (14, 5882480), (16, 5147170), (20, 4117736), (23, 3580640), (28, 2941240), (32, 2573585), (35, 2352992), (40, 2058868), (46, 1790320), (56, 1470620), (70, 1176496), (80, 1029434), (92, 895160), (112, 735310), (115, 716128), (139, 592480), (140, 588248), (160, 514717), (161, 511520), (184, 447580), (224, 367655), (230, 358064), (278, 296240), (280, 294124), (322, 255760), (368, 223790), (460, 179032), (529, 155680), (556, 148120), (560, 147062), (644, 127880), (695, 118496), (736, 111895), (805, 102304), (920, 89516), (973, 84640), (1058, 77840), (1112, 74060), (1120, 73531), (1288, 63940), (1390, 59248), (1610, 51152), (1840, 44758), (1946, 42320), (2116, 38920), (2224, 37030), (2576, 31970), (2645, 31136), (2780, 29624), (3197, 25760), (3220, 25576), (3680, 22379), (3703, 22240), (3892, 21160), (4232, 19460), (4448, 18515), (4865, 16928), (5152, 15985), (5290, 15568), (5560, 14812), (6394, 12880), (6440, 12788), (7406, 11120), (7784, 10580), (8464, 9730)]