20145705075

素因数分解:

$3^3\times 5^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{313}}^1$

素因数の和:499

約数の個数: 192

約数和(自身を含む): 40368844800

約数和(自身を除く): 20223139725

約数列:

[1, 3, 5, 9, 15, 17, 25, 27, 45, 51, 71, 75, 79, 85, 135, 153, 213, 225, 237, 255, 313, 355, 395, 425, 459, 639, 675, 711, 765, 939, 1065, 1185, 1207, 1275, 1343, 1565, 1775, 1917, 1975, 2133, 2295, 2817, 3195, 3555, 3621, 3825, 4029, 4695, 5321, 5325, 5609, 5925, 6035, 6715, 7825, 8451, 9585, 10665, 10863, 11475, 12087, 14085, 15963, 15975, 16827, 17775, 18105, 20145, 22223, 23475, 24727, 26605, 28045, 30175, 32589, 33575, 36261, 42255, 47889, 47925, 50481, 53325, 54315, 60435, 66669, 70425, 74181, 79815, 84135, 90525, 95353, 100725, 111115, 123635, 133025, 140225, 143667, 151443, 162945, 181305, 200007, 211275, 222543, 239445, 252405, 271575, 286059, 302175, 333345, 370905, 377791, 399075, 420359, 420675, 476765, 555575, 600021, 618175, 667629, 718335, 757215, 814725, 858177, 906525, 1000035, 1112715, 1133373, 1197225, 1261077, 1262025, 1430295, 1666725, 1755617, 1854525, 1888955, 2101795, 2383825, 2574531, 3000105, 3338145, 3400119, 3591675, 3783231, 3786075, 4290885, 5000175, 5266851, 5563575, 5666865, 6305385, 7151475, 8778085, 9444775, 10200357, 10508975, 11349693, 12872655, 15000525, 15800553, 16690725, 17000595, 18916155, 21454425, 26334255, 28334325, 29845489, 31526925, 43890425, 47401659, 51001785, 56748465, 64363275, 79002765, 85002975, 89536467, 94580775, 131671275, 149227445, 237008295, 255008925, 268609401, 283742325, 395013825, 447682335, 746137225, 805828203, 1185041475, 1343047005, 2238411675, 4029141015, 6715235025, 20145705075]

約数ペア:

[(1, 20145705075), (3, 6715235025), (5, 4029141015), (9, 2238411675), (15, 1343047005), (17, 1185041475), (25, 805828203), (27, 746137225), (45, 447682335), (51, 395013825), (71, 283742325), (75, 268609401), (79, 255008925), (85, 237008295), (135, 149227445), (153, 131671275), (213, 94580775), (225, 89536467), (237, 85002975), (255, 79002765), (313, 64363275), (355, 56748465), (395, 51001785), (425, 47401659), (459, 43890425), (639, 31526925), (675, 29845489), (711, 28334325), (765, 26334255), (939, 21454425), (1065, 18916155), (1185, 17000595), (1207, 16690725), (1275, 15800553), (1343, 15000525), (1565, 12872655), (1775, 11349693), (1917, 10508975), (1975, 10200357), (2133, 9444775), (2295, 8778085), (2817, 7151475), (3195, 6305385), (3555, 5666865), (3621, 5563575), (3825, 5266851), (4029, 5000175), (4695, 4290885), (5321, 3786075), (5325, 3783231), (5609, 3591675), (5925, 3400119), (6035, 3338145), (6715, 3000105), (7825, 2574531), (8451, 2383825), (9585, 2101795), (10665, 1888955), (10863, 1854525), (11475, 1755617), (12087, 1666725), (14085, 1430295), (15963, 1262025), (15975, 1261077), (16827, 1197225), (17775, 1133373), (18105, 1112715), (20145, 1000035), (22223, 906525), (23475, 858177), (24727, 814725), (26605, 757215), (28045, 718335), (30175, 667629), (32589, 618175), (33575, 600021), (36261, 555575), (42255, 476765), (47889, 420675), (47925, 420359), (50481, 399075), (53325, 377791), (54315, 370905), (60435, 333345), (66669, 302175), (70425, 286059), (74181, 271575), (79815, 252405), (84135, 239445), (90525, 222543), (95353, 211275), (100725, 200007), (111115, 181305), (123635, 162945), (133025, 151443), (140225, 143667)]