81545796

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{4111}}^1$

素因数の和:4169

約数の個数: 72

約数和(自身を含む): 224515200

約数和(自身を除く): 142969404

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 29, 36, 38, 57, 58, 76, 87, 114, 116, 171, 174, 228, 261, 342, 348, 522, 551, 684, 1044, 1102, 1653, 2204, 3306, 4111, 4959, 6612, 8222, 9918, 12333, 16444, 19836, 24666, 36999, 49332, 73998, 78109, 119219, 147996, 156218, 234327, 238438, 312436, 357657, 468654, 476876, 702981, 715314, 937308, 1072971, 1405962, 1430628, 2145942, 2265161, 2811924, 4291884, 4530322, 6795483, 9060644, 13590966, 20386449, 27181932, 40772898, 81545796]

約数ペア:

[(1, 81545796), (2, 40772898), (3, 27181932), (4, 20386449), (6, 13590966), (9, 9060644), (12, 6795483), (18, 4530322), (19, 4291884), (29, 2811924), (36, 2265161), (38, 2145942), (57, 1430628), (58, 1405962), (76, 1072971), (87, 937308), (114, 715314), (116, 702981), (171, 476876), (174, 468654), (228, 357657), (261, 312436), (342, 238438), (348, 234327), (522, 156218), (551, 147996), (684, 119219), (1044, 78109), (1102, 73998), (1653, 49332), (2204, 36999), (3306, 24666), (4111, 19836), (4959, 16444), (6612, 12333), (8222, 9918)]