78275120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 160

約数和(自身を含む): 230985216

約数和(自身を除く): 152710096

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 80, 88, 97, 110, 112, 131, 140, 154, 176, 194, 220, 262, 280, 308, 385, 388, 440, 485, 524, 560, 616, 655, 679, 770, 776, 880, 917, 970, 1048, 1067, 1232, 1310, 1358, 1441, 1540, 1552, 1834, 1940, 2096, 2134, 2620, 2716, 2882, 3080, 3395, 3668, 3880, 4268, 4585, 5240, 5335, 5432, 5764, 6160, 6790, 7205, 7336, 7469, 7760, 8536, 9170, 10087, 10480, 10670, 10864, 11528, 12707, 13580, 14410, 14672, 14938, 17072, 18340, 20174, 21340, 23056, 25414, 27160, 28820, 29876, 36680, 37345, 40348, 42680, 50435, 50828, 54320, 57640, 59752, 63535, 73360, 74690, 80696, 85360, 88949, 100870, 101656, 115280, 119504, 127070, 139777, 149380, 161392, 177898, 201740, 203312, 254140, 279554, 298760, 355796, 403480, 444745, 508280, 559108, 597520, 698885, 711592, 806960, 889490, 978439, 1016560, 1118216, 1397770, 1423184, 1778980, 1956878, 2236432, 2795540, 3557960, 3913756, 4892195, 5591080, 7115920, 7827512, 9784390, 11182160, 15655024, 19568780, 39137560, 78275120]

約数ペア:

[(1, 78275120), (2, 39137560), (4, 19568780), (5, 15655024), (7, 11182160), (8, 9784390), (10, 7827512), (11, 7115920), (14, 5591080), (16, 4892195), (20, 3913756), (22, 3557960), (28, 2795540), (35, 2236432), (40, 1956878), (44, 1778980), (55, 1423184), (56, 1397770), (70, 1118216), (77, 1016560), (80, 978439), (88, 889490), (97, 806960), (110, 711592), (112, 698885), (131, 597520), (140, 559108), (154, 508280), (176, 444745), (194, 403480), (220, 355796), (262, 298760), (280, 279554), (308, 254140), (385, 203312), (388, 201740), (440, 177898), (485, 161392), (524, 149380), (560, 139777), (616, 127070), (655, 119504), (679, 115280), (770, 101656), (776, 100870), (880, 88949), (917, 85360), (970, 80696), (1048, 74690), (1067, 73360), (1232, 63535), (1310, 59752), (1358, 57640), (1441, 54320), (1540, 50828), (1552, 50435), (1834, 42680), (1940, 40348), (2096, 37345), (2134, 36680), (2620, 29876), (2716, 28820), (2882, 27160), (3080, 25414), (3395, 23056), (3668, 21340), (3880, 20174), (4268, 18340), (4585, 17072), (5240, 14938), (5335, 14672), (5432, 14410), (5764, 13580), (6160, 12707), (6790, 11528), (7205, 10864), (7336, 10670), (7469, 10480), (7760, 10087), (8536, 9170)]