1330264520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{263}}^1$

素因数の和:495

約数の個数: 128

約数和(自身を含む): 3305111040

約数和(自身を除く): 1974846520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 71, 104, 130, 137, 142, 260, 263, 274, 284, 355, 520, 526, 548, 568, 685, 710, 923, 1052, 1096, 1315, 1370, 1420, 1781, 1846, 2104, 2630, 2740, 2840, 3419, 3562, 3692, 4615, 5260, 5480, 6838, 7124, 7384, 8905, 9230, 9727, 10520, 13676, 14248, 17095, 17810, 18460, 18673, 19454, 27352, 34190, 35620, 36031, 36920, 37346, 38908, 48635, 68380, 71240, 72062, 74692, 77816, 93365, 97270, 126451, 136760, 144124, 149384, 180155, 186730, 194540, 242749, 252902, 288248, 360310, 373460, 389080, 468403, 485498, 505804, 632255, 720620, 746920, 936806, 970996, 1011608, 1213745, 1264510, 1441240, 1873612, 1941992, 2342015, 2427490, 2529020, 2558201, 3747224, 4684030, 4854980, 5058040, 5116402, 9368060, 9709960, 10232804, 12791005, 18736120, 20465608, 25582010, 33256613, 51164020, 66513226, 102328040, 133026452, 166283065, 266052904, 332566130, 665132260, 1330264520]

約数ペア:

[(1, 1330264520), (2, 665132260), (4, 332566130), (5, 266052904), (8, 166283065), (10, 133026452), (13, 102328040), (20, 66513226), (26, 51164020), (40, 33256613), (52, 25582010), (65, 20465608), (71, 18736120), (104, 12791005), (130, 10232804), (137, 9709960), (142, 9368060), (260, 5116402), (263, 5058040), (274, 4854980), (284, 4684030), (355, 3747224), (520, 2558201), (526, 2529020), (548, 2427490), (568, 2342015), (685, 1941992), (710, 1873612), (923, 1441240), (1052, 1264510), (1096, 1213745), (1315, 1011608), (1370, 970996), (1420, 936806), (1781, 746920), (1846, 720620), (2104, 632255), (2630, 505804), (2740, 485498), (2840, 468403), (3419, 389080), (3562, 373460), (3692, 360310), (4615, 288248), (5260, 252902), (5480, 242749), (6838, 194540), (7124, 186730), (7384, 180155), (8905, 149384), (9230, 144124), (9727, 136760), (10520, 126451), (13676, 97270), (14248, 93365), (17095, 77816), (17810, 74692), (18460, 72062), (18673, 71240), (19454, 68380), (27352, 48635), (34190, 38908), (35620, 37346), (36031, 36920)]