1520242425

素因数分解:

$3^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:174

約数の個数: 240

約数和(自身を含む): 3327287040

約数和(自身を除く): 1807044615

約数列:

[1, 3, 5, 9, 13, 15, 17, 25, 27, 39, 43, 45, 51, 65, 75, 79, 81, 85, 117, 129, 135, 153, 195, 215, 221, 225, 237, 255, 325, 351, 387, 395, 405, 425, 459, 559, 585, 645, 663, 675, 711, 731, 765, 975, 1027, 1053, 1075, 1105, 1161, 1185, 1275, 1343, 1377, 1677, 1755, 1935, 1975, 1989, 2025, 2133, 2193, 2295, 2795, 2925, 3081, 3225, 3315, 3397, 3483, 3555, 3655, 3825, 4029, 5031, 5135, 5265, 5525, 5805, 5925, 5967, 6399, 6579, 6715, 6885, 8385, 8775, 9243, 9503, 9675, 9945, 10191, 10665, 10965, 11475, 12087, 13975, 15093, 15405, 16575, 16985, 17415, 17459, 17775, 17901, 18275, 19737, 20145, 25155, 25675, 26325, 27729, 28509, 29025, 29835, 30573, 31995, 32895, 33575, 34425, 36261, 41925, 44161, 45279, 46215, 47515, 49725, 50955, 52377, 53325, 54825, 57749, 59211, 60435, 75465, 77025, 83187, 84925, 85527, 87075, 87295, 89505, 91719, 98685, 100725, 108783, 125775, 132483, 138645, 142545, 149175, 152865, 157131, 159975, 164475, 173247, 181305, 220805, 226395, 231075, 237575, 254775, 256581, 261885, 275157, 288745, 296055, 302175, 377325, 397449, 415935, 427635, 436475, 447525, 458595, 471393, 493425, 519741, 543915, 662415, 693225, 712725, 750737, 764325, 769743, 785655, 866235, 906525, 1104025, 1131975, 1192347, 1282905, 1309425, 1375785, 1414179, 1443725, 1480275, 1559223, 1987245, 2079675, 2138175, 2252211, 2292975, 2356965, 2598705, 2719575, 3312075, 3577041, 3753685, 3848715, 3928275, 4331175, 4677669, 5961735, 6414525, 6756633, 6878925, 7070895, 7796115, 9936225, 11261055, 11784825, 12993525, 17885205, 18768425, 19243575, 20269899, 23388345, 29808675, 33783165, 35354475, 38980575, 56305275, 60809697, 89426025, 101349495, 116941725, 168915825, 304048485, 506747475, 1520242425]

約数ペア:

[(1, 1520242425), (3, 506747475), (5, 304048485), (9, 168915825), (13, 116941725), (15, 101349495), (17, 89426025), (25, 60809697), (27, 56305275), (39, 38980575), (43, 35354475), (45, 33783165), (51, 29808675), (65, 23388345), (75, 20269899), (79, 19243575), (81, 18768425), (85, 17885205), (117, 12993525), (129, 11784825), (135, 11261055), (153, 9936225), (195, 7796115), (215, 7070895), (221, 6878925), (225, 6756633), (237, 6414525), (255, 5961735), (325, 4677669), (351, 4331175), (387, 3928275), (395, 3848715), (405, 3753685), (425, 3577041), (459, 3312075), (559, 2719575), (585, 2598705), (645, 2356965), (663, 2292975), (675, 2252211), (711, 2138175), (731, 2079675), (765, 1987245), (975, 1559223), (1027, 1480275), (1053, 1443725), (1075, 1414179), (1105, 1375785), (1161, 1309425), (1185, 1282905), (1275, 1192347), (1343, 1131975), (1377, 1104025), (1677, 906525), (1755, 866235), (1935, 785655), (1975, 769743), (1989, 764325), (2025, 750737), (2133, 712725), (2193, 693225), (2295, 662415), (2795, 543915), (2925, 519741), (3081, 493425), (3225, 471393), (3315, 458595), (3397, 447525), (3483, 436475), (3555, 427635), (3655, 415935), (3825, 397449), (4029, 377325), (5031, 302175), (5135, 296055), (5265, 288745), (5525, 275157), (5805, 261885), (5925, 256581), (5967, 254775), (6399, 237575), (6579, 231075), (6715, 226395), (6885, 220805), (8385, 181305), (8775, 173247), (9243, 164475), (9503, 159975), (9675, 157131), (9945, 152865), (10191, 149175), (10665, 142545), (10965, 138645), (11475, 132483), (12087, 125775), (13975, 108783), (15093, 100725), (15405, 98685), (16575, 91719), (16985, 89505), (17415, 87295), (17459, 87075), (17775, 85527), (17901, 84925), (18275, 83187), (19737, 77025), (20145, 75465), (25155, 60435), (25675, 59211), (26325, 57749), (27729, 54825), (28509, 53325), (29025, 52377), (29835, 50955), (30573, 49725), (31995, 47515), (32895, 46215), (33575, 45279), (34425, 44161), (36261, 41925)]