81843580

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{233}}^1$

素因数の和:455

約数の個数: 96

約数和(自身を含む): 213542784

約数和(自身を除く): 131699204

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 193, 233, 260, 364, 386, 455, 466, 772, 910, 932, 965, 1165, 1351, 1631, 1820, 1930, 2330, 2509, 2702, 3029, 3262, 3860, 4660, 5018, 5404, 6058, 6524, 6755, 8155, 10036, 12116, 12545, 13510, 15145, 16310, 17563, 21203, 25090, 27020, 30290, 32620, 35126, 42406, 44969, 50180, 60580, 70252, 84812, 87815, 89938, 106015, 175630, 179876, 212030, 224845, 314783, 351260, 424060, 449690, 584597, 629566, 899380, 1169194, 1259132, 1573915, 2338388, 2922985, 3147830, 4092179, 5845970, 6295660, 8184358, 11691940, 16368716, 20460895, 40921790, 81843580]

約数ペア:

[(1, 81843580), (2, 40921790), (4, 20460895), (5, 16368716), (7, 11691940), (10, 8184358), (13, 6295660), (14, 5845970), (20, 4092179), (26, 3147830), (28, 2922985), (35, 2338388), (52, 1573915), (65, 1259132), (70, 1169194), (91, 899380), (130, 629566), (140, 584597), (182, 449690), (193, 424060), (233, 351260), (260, 314783), (364, 224845), (386, 212030), (455, 179876), (466, 175630), (772, 106015), (910, 89938), (932, 87815), (965, 84812), (1165, 70252), (1351, 60580), (1631, 50180), (1820, 44969), (1930, 42406), (2330, 35126), (2509, 32620), (2702, 30290), (3029, 27020), (3262, 25090), (3860, 21203), (4660, 17563), (5018, 16310), (5404, 15145), (6058, 13510), (6524, 12545), (6755, 12116), (8155, 10036)]