81650016

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{401}}^1$

素因数の和:525

約数の個数: 144

約数和(自身を含む): 268658208

約数和(自身を除く): 187008192

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 101, 112, 126, 144, 168, 202, 224, 252, 288, 303, 336, 401, 404, 504, 606, 672, 707, 802, 808, 909, 1008, 1203, 1212, 1414, 1604, 1616, 1818, 2016, 2121, 2406, 2424, 2807, 2828, 3208, 3232, 3609, 3636, 4242, 4812, 4848, 5614, 5656, 6363, 6416, 7218, 7272, 8421, 8484, 9624, 9696, 11228, 11312, 12726, 12832, 14436, 14544, 16842, 16968, 19248, 22456, 22624, 25263, 25452, 28872, 29088, 33684, 33936, 38496, 40501, 44912, 50526, 50904, 57744, 67368, 67872, 81002, 89824, 101052, 101808, 115488, 121503, 134736, 162004, 202104, 203616, 243006, 269472, 283507, 324008, 364509, 404208, 486012, 567014, 648016, 729018, 808416, 850521, 972024, 1134028, 1296032, 1458036, 1701042, 1944048, 2268056, 2551563, 2916072, 3402084, 3888096, 4536112, 5103126, 5832144, 6804168, 9072224, 10206252, 11664288, 13608336, 20412504, 27216672, 40825008, 81650016]

約数ペア:

[(1, 81650016), (2, 40825008), (3, 27216672), (4, 20412504), (6, 13608336), (7, 11664288), (8, 10206252), (9, 9072224), (12, 6804168), (14, 5832144), (16, 5103126), (18, 4536112), (21, 3888096), (24, 3402084), (28, 2916072), (32, 2551563), (36, 2268056), (42, 1944048), (48, 1701042), (56, 1458036), (63, 1296032), (72, 1134028), (84, 972024), (96, 850521), (101, 808416), (112, 729018), (126, 648016), (144, 567014), (168, 486012), (202, 404208), (224, 364509), (252, 324008), (288, 283507), (303, 269472), (336, 243006), (401, 203616), (404, 202104), (504, 162004), (606, 134736), (672, 121503), (707, 115488), (802, 101808), (808, 101052), (909, 89824), (1008, 81002), (1203, 67872), (1212, 67368), (1414, 57744), (1604, 50904), (1616, 50526), (1818, 44912), (2016, 40501), (2121, 38496), (2406, 33936), (2424, 33684), (2807, 29088), (2828, 28872), (3208, 25452), (3232, 25263), (3609, 22624), (3636, 22456), (4242, 19248), (4812, 16968), (4848, 16842), (5614, 14544), (5656, 14436), (6363, 12832), (6416, 12726), (7218, 11312), (7272, 11228), (8421, 9696), (8484, 9624)]