71310420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1$

素因数の和:782

約数の個数: 144

約数和(自身を含む): 235872000

約数和(自身を除く): 164561580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 29, 30, 36, 38, 45, 57, 58, 60, 76, 87, 90, 95, 114, 116, 145, 171, 174, 180, 190, 228, 261, 285, 290, 342, 348, 380, 435, 522, 551, 570, 580, 684, 719, 855, 870, 1044, 1102, 1140, 1305, 1438, 1653, 1710, 1740, 2157, 2204, 2610, 2755, 2876, 3306, 3420, 3595, 4314, 4959, 5220, 5510, 6471, 6612, 7190, 8265, 8628, 9918, 10785, 11020, 12942, 13661, 14380, 16530, 19836, 20851, 21570, 24795, 25884, 27322, 32355, 33060, 40983, 41702, 43140, 49590, 54644, 62553, 64710, 68305, 81966, 83404, 99180, 104255, 122949, 125106, 129420, 136610, 163932, 187659, 204915, 208510, 245898, 250212, 273220, 312765, 375318, 396169, 409830, 417020, 491796, 614745, 625530, 750636, 792338, 819660, 938295, 1188507, 1229490, 1251060, 1584676, 1876590, 1980845, 2377014, 2458980, 3565521, 3753180, 3961690, 4754028, 5942535, 7131042, 7923380, 11885070, 14262084, 17827605, 23770140, 35655210, 71310420]

約数ペア:

[(1, 71310420), (2, 35655210), (3, 23770140), (4, 17827605), (5, 14262084), (6, 11885070), (9, 7923380), (10, 7131042), (12, 5942535), (15, 4754028), (18, 3961690), (19, 3753180), (20, 3565521), (29, 2458980), (30, 2377014), (36, 1980845), (38, 1876590), (45, 1584676), (57, 1251060), (58, 1229490), (60, 1188507), (76, 938295), (87, 819660), (90, 792338), (95, 750636), (114, 625530), (116, 614745), (145, 491796), (171, 417020), (174, 409830), (180, 396169), (190, 375318), (228, 312765), (261, 273220), (285, 250212), (290, 245898), (342, 208510), (348, 204915), (380, 187659), (435, 163932), (522, 136610), (551, 129420), (570, 125106), (580, 122949), (684, 104255), (719, 99180), (855, 83404), (870, 81966), (1044, 68305), (1102, 64710), (1140, 62553), (1305, 54644), (1438, 49590), (1653, 43140), (1710, 41702), (1740, 40983), (2157, 33060), (2204, 32355), (2610, 27322), (2755, 25884), (2876, 24795), (3306, 21570), (3420, 20851), (3595, 19836), (4314, 16530), (4959, 14380), (5220, 13661), (5510, 12942), (6471, 11020), (6612, 10785), (7190, 9918), (8265, 8628)]