156957920260

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{401}}^1\times {\mathrm{320833}}^1$

素因数の和:321304

約数の個数: 48

約数和(自身を含む): 335851597872

約数和(自身を除く): 178893677612

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 401, 610, 802, 1220, 1604, 2005, 4010, 8020, 24461, 48922, 97844, 122305, 244610, 320833, 489220, 641666, 1283332, 1604165, 3208330, 6416660, 19570813, 39141626, 78283252, 97854065, 128654033, 195708130, 257308066, 391416260, 514616132, 643270165, 1286540330, 2573080660, 7847896013, 15695792026, 31391584052, 39239480065, 78478960130, 156957920260]

約数ペア:

[(1, 156957920260), (2, 78478960130), (4, 39239480065), (5, 31391584052), (10, 15695792026), (20, 7847896013), (61, 2573080660), (122, 1286540330), (244, 643270165), (305, 514616132), (401, 391416260), (610, 257308066), (802, 195708130), (1220, 128654033), (1604, 97854065), (2005, 78283252), (4010, 39141626), (8020, 19570813), (24461, 6416660), (48922, 3208330), (97844, 1604165), (122305, 1283332), (244610, 641666), (320833, 489220)]