72181872

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{709}}^1$

素因数の和:831

約数の個数: 120

約数和(自身を含む): 233482080

約数和(自身を除く): 161300208

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 63, 72, 84, 101, 112, 126, 144, 168, 202, 252, 303, 336, 404, 504, 606, 707, 709, 808, 909, 1008, 1212, 1414, 1418, 1616, 1818, 2121, 2127, 2424, 2828, 2836, 3636, 4242, 4254, 4848, 4963, 5656, 5672, 6363, 6381, 7272, 8484, 8508, 9926, 11312, 11344, 12726, 12762, 14544, 14889, 16968, 17016, 19852, 25452, 25524, 29778, 33936, 34032, 39704, 44667, 50904, 51048, 59556, 71609, 79408, 89334, 101808, 102096, 119112, 143218, 178668, 214827, 238224, 286436, 357336, 429654, 501263, 572872, 644481, 714672, 859308, 1002526, 1145744, 1288962, 1503789, 1718616, 2005052, 2577924, 3007578, 3437232, 4010104, 4511367, 5155848, 6015156, 8020208, 9022734, 10311696, 12030312, 18045468, 24060624, 36090936, 72181872]

約数ペア:

[(1, 72181872), (2, 36090936), (3, 24060624), (4, 18045468), (6, 12030312), (7, 10311696), (8, 9022734), (9, 8020208), (12, 6015156), (14, 5155848), (16, 4511367), (18, 4010104), (21, 3437232), (24, 3007578), (28, 2577924), (36, 2005052), (42, 1718616), (48, 1503789), (56, 1288962), (63, 1145744), (72, 1002526), (84, 859308), (101, 714672), (112, 644481), (126, 572872), (144, 501263), (168, 429654), (202, 357336), (252, 286436), (303, 238224), (336, 214827), (404, 178668), (504, 143218), (606, 119112), (707, 102096), (709, 101808), (808, 89334), (909, 79408), (1008, 71609), (1212, 59556), (1414, 51048), (1418, 50904), (1616, 44667), (1818, 39704), (2121, 34032), (2127, 33936), (2424, 29778), (2828, 25524), (2836, 25452), (3636, 19852), (4242, 17016), (4254, 16968), (4848, 14889), (4963, 14544), (5656, 12762), (5672, 12726), (6363, 11344), (6381, 11312), (7272, 9926), (8484, 8508)]