1808804520

素因数分解:

$2^3\times 3^5\times 5^1\times {\mathrm{71}}^1\times {\mathrm{2621}}^1$

素因数の和:2718

約数の個数: 192

約数和(自身を含む): 6184563840

約数和(自身を除く): 4375759320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 71, 72, 81, 90, 108, 120, 135, 142, 162, 180, 213, 216, 243, 270, 284, 324, 355, 360, 405, 426, 486, 540, 568, 639, 648, 710, 810, 852, 972, 1065, 1080, 1215, 1278, 1420, 1620, 1704, 1917, 1944, 2130, 2430, 2556, 2621, 2840, 3195, 3240, 3834, 4260, 4860, 5112, 5242, 5751, 6390, 7668, 7863, 8520, 9585, 9720, 10484, 11502, 12780, 13105, 15336, 15726, 17253, 19170, 20968, 23004, 23589, 25560, 26210, 28755, 31452, 34506, 38340, 39315, 46008, 47178, 52420, 57510, 62904, 69012, 70767, 76680, 78630, 86265, 94356, 104840, 115020, 117945, 138024, 141534, 157260, 172530, 186091, 188712, 212301, 230040, 235890, 283068, 314520, 345060, 353835, 372182, 424602, 471780, 558273, 566136, 636903, 690120, 707670, 744364, 849204, 930455, 943560, 1061505, 1116546, 1273806, 1415340, 1488728, 1674819, 1698408, 1860910, 2123010, 2233092, 2547612, 2791365, 2830680, 3184515, 3349638, 3721820, 4246020, 4466184, 5024457, 5095224, 5582730, 6369030, 6699276, 7443640, 8374095, 8492040, 10048914, 11165460, 12738060, 13398552, 15073371, 16748190, 20097828, 22330920, 25122285, 25476120, 30146742, 33496380, 40195656, 45220113, 50244570, 60293484, 66992760, 75366855, 90440226, 100489140, 120586968, 150733710, 180880452, 200978280, 226100565, 301467420, 361760904, 452201130, 602934840, 904402260, 1808804520]

約数ペア:

[(1, 1808804520), (2, 904402260), (3, 602934840), (4, 452201130), (5, 361760904), (6, 301467420), (8, 226100565), (9, 200978280), (10, 180880452), (12, 150733710), (15, 120586968), (18, 100489140), (20, 90440226), (24, 75366855), (27, 66992760), (30, 60293484), (36, 50244570), (40, 45220113), (45, 40195656), (54, 33496380), (60, 30146742), (71, 25476120), (72, 25122285), (81, 22330920), (90, 20097828), (108, 16748190), (120, 15073371), (135, 13398552), (142, 12738060), (162, 11165460), (180, 10048914), (213, 8492040), (216, 8374095), (243, 7443640), (270, 6699276), (284, 6369030), (324, 5582730), (355, 5095224), (360, 5024457), (405, 4466184), (426, 4246020), (486, 3721820), (540, 3349638), (568, 3184515), (639, 2830680), (648, 2791365), (710, 2547612), (810, 2233092), (852, 2123010), (972, 1860910), (1065, 1698408), (1080, 1674819), (1215, 1488728), (1278, 1415340), (1420, 1273806), (1620, 1116546), (1704, 1061505), (1917, 943560), (1944, 930455), (2130, 849204), (2430, 744364), (2556, 707670), (2621, 690120), (2840, 636903), (3195, 566136), (3240, 558273), (3834, 471780), (4260, 424602), (4860, 372182), (5112, 353835), (5242, 345060), (5751, 314520), (6390, 283068), (7668, 235890), (7863, 230040), (8520, 212301), (9585, 188712), (9720, 186091), (10484, 172530), (11502, 157260), (12780, 141534), (13105, 138024), (15336, 117945), (15726, 115020), (17253, 104840), (19170, 94356), (20968, 86265), (23004, 78630), (23589, 76680), (25560, 70767), (26210, 69012), (28755, 62904), (31452, 57510), (34506, 52420), (38340, 47178), (39315, 46008)]