81325152

素因数分解:

$2^5\times 3^2\times {\mathrm{31}}^1\times {\mathrm{9109}}^1$

素因数の和:9156

約数の個数: 72

約数和(自身を含む): 238754880

約数和(自身を除く): 157429728

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 31, 32, 36, 48, 62, 72, 93, 96, 124, 144, 186, 248, 279, 288, 372, 496, 558, 744, 992, 1116, 1488, 2232, 2976, 4464, 8928, 9109, 18218, 27327, 36436, 54654, 72872, 81981, 109308, 145744, 163962, 218616, 282379, 291488, 327924, 437232, 564758, 655848, 847137, 874464, 1129516, 1311696, 1694274, 2259032, 2541411, 2623392, 3388548, 4518064, 5082822, 6777096, 9036128, 10165644, 13554192, 20331288, 27108384, 40662576, 81325152]

約数ペア:

[(1, 81325152), (2, 40662576), (3, 27108384), (4, 20331288), (6, 13554192), (8, 10165644), (9, 9036128), (12, 6777096), (16, 5082822), (18, 4518064), (24, 3388548), (31, 2623392), (32, 2541411), (36, 2259032), (48, 1694274), (62, 1311696), (72, 1129516), (93, 874464), (96, 847137), (124, 655848), (144, 564758), (186, 437232), (248, 327924), (279, 291488), (288, 282379), (372, 218616), (496, 163962), (558, 145744), (744, 109308), (992, 81981), (1116, 72872), (1488, 54654), (2232, 36436), (2976, 27327), (4464, 18218), (8928, 9109)]