131281884

素因数分解:

$2^2\times 3^4\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{223}}^1$

素因数の和:341

約数の個数: 120

約数和(自身を含む): 364277760

約数和(自身を除く): 232995876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 27, 36, 46, 54, 69, 79, 81, 92, 108, 138, 158, 162, 207, 223, 237, 276, 316, 324, 414, 446, 474, 621, 669, 711, 828, 892, 948, 1242, 1338, 1422, 1817, 1863, 2007, 2133, 2484, 2676, 2844, 3634, 3726, 4014, 4266, 5129, 5451, 6021, 6399, 7268, 7452, 8028, 8532, 10258, 10902, 12042, 12798, 15387, 16353, 17617, 18063, 20516, 21804, 24084, 25596, 30774, 32706, 35234, 36126, 46161, 49059, 52851, 61548, 65412, 70468, 72252, 92322, 98118, 105702, 138483, 147177, 158553, 184644, 196236, 211404, 276966, 294354, 317106, 405191, 415449, 475659, 553932, 588708, 634212, 810382, 830898, 951318, 1215573, 1426977, 1620764, 1661796, 1902636, 2431146, 2853954, 3646719, 4862292, 5707908, 7293438, 10940157, 14586876, 21880314, 32820471, 43760628, 65640942, 131281884]

約数ペア:

[(1, 131281884), (2, 65640942), (3, 43760628), (4, 32820471), (6, 21880314), (9, 14586876), (12, 10940157), (18, 7293438), (23, 5707908), (27, 4862292), (36, 3646719), (46, 2853954), (54, 2431146), (69, 1902636), (79, 1661796), (81, 1620764), (92, 1426977), (108, 1215573), (138, 951318), (158, 830898), (162, 810382), (207, 634212), (223, 588708), (237, 553932), (276, 475659), (316, 415449), (324, 405191), (414, 317106), (446, 294354), (474, 276966), (621, 211404), (669, 196236), (711, 184644), (828, 158553), (892, 147177), (948, 138483), (1242, 105702), (1338, 98118), (1422, 92322), (1817, 72252), (1863, 70468), (2007, 65412), (2133, 61548), (2484, 52851), (2676, 49059), (2844, 46161), (3634, 36126), (3726, 35234), (4014, 32706), (4266, 30774), (5129, 25596), (5451, 24084), (6021, 21804), (6399, 20516), (7268, 18063), (7452, 17617), (8028, 16353), (8532, 15387), (10258, 12798), (10902, 12042)]