156980581420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{137}}^1\times {\mathrm{263}}^1\times {\mathrm{1289}}^1$

素因数の和:1724

約数の個数: 144

約数和(自身を含む): 361221094080

約数和(自身を除く): 204240512660

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 137, 169, 260, 263, 274, 338, 526, 548, 676, 685, 845, 1052, 1289, 1315, 1370, 1690, 1781, 2578, 2630, 2740, 3380, 3419, 3562, 5156, 5260, 6445, 6838, 7124, 8905, 12890, 13676, 16757, 17095, 17810, 23153, 25780, 33514, 34190, 35620, 36031, 44447, 46306, 67028, 68380, 72062, 83785, 88894, 92612, 115765, 144124, 167570, 176593, 177788, 180155, 217841, 222235, 231530, 335140, 339007, 353186, 360310, 435682, 444470, 463060, 468403, 678014, 706372, 720620, 871364, 882965, 888940, 936806, 1089205, 1356028, 1695035, 1765930, 1873612, 2178410, 2295709, 2342015, 3390070, 3531860, 4356820, 4407091, 4591418, 4684030, 6089239, 6780140, 8814182, 9182836, 9368060, 11478545, 12178478, 17628364, 22035455, 22957090, 24356956, 29844217, 30446195, 44070910, 45914180, 46443959, 57292183, 59688434, 60892390, 88141820, 92887918, 114584366, 119376868, 121784780, 149221085, 185775836, 229168732, 232219795, 286460915, 298442170, 464439590, 572921830, 596884340, 603771467, 928879180, 1145843660, 1207542934, 2415085868, 3018857335, 6037714670, 7849029071, 12075429340, 15698058142, 31396116284, 39245145355, 78490290710, 156980581420]

約数ペア:

[(1, 156980581420), (2, 78490290710), (4, 39245145355), (5, 31396116284), (10, 15698058142), (13, 12075429340), (20, 7849029071), (26, 6037714670), (52, 3018857335), (65, 2415085868), (130, 1207542934), (137, 1145843660), (169, 928879180), (260, 603771467), (263, 596884340), (274, 572921830), (338, 464439590), (526, 298442170), (548, 286460915), (676, 232219795), (685, 229168732), (845, 185775836), (1052, 149221085), (1289, 121784780), (1315, 119376868), (1370, 114584366), (1690, 92887918), (1781, 88141820), (2578, 60892390), (2630, 59688434), (2740, 57292183), (3380, 46443959), (3419, 45914180), (3562, 44070910), (5156, 30446195), (5260, 29844217), (6445, 24356956), (6838, 22957090), (7124, 22035455), (8905, 17628364), (12890, 12178478), (13676, 11478545), (16757, 9368060), (17095, 9182836), (17810, 8814182), (23153, 6780140), (25780, 6089239), (33514, 4684030), (34190, 4591418), (35620, 4407091), (36031, 4356820), (44447, 3531860), (46306, 3390070), (67028, 2342015), (68380, 2295709), (72062, 2178410), (83785, 1873612), (88894, 1765930), (92612, 1695035), (115765, 1356028), (144124, 1089205), (167570, 936806), (176593, 888940), (177788, 882965), (180155, 871364), (217841, 720620), (222235, 706372), (231530, 678014), (335140, 468403), (339007, 463060), (353186, 444470), (360310, 435682)]