1520997075

素因数分解:

$3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:243

約数の個数: 192

約数和(自身を含む): 3208128000

約数和(自身を除く): 1687130925

約数列:

[1, 3, 5, 9, 13, 15, 25, 27, 29, 39, 43, 45, 65, 75, 87, 117, 129, 135, 139, 145, 195, 215, 225, 261, 325, 351, 377, 387, 417, 435, 559, 585, 645, 675, 695, 725, 783, 975, 1075, 1131, 1161, 1247, 1251, 1305, 1677, 1755, 1807, 1885, 1935, 2085, 2175, 2795, 2925, 3225, 3393, 3475, 3741, 3753, 3915, 4031, 5031, 5421, 5655, 5805, 5977, 6235, 6255, 6525, 8385, 8775, 9035, 9425, 9675, 10179, 10425, 11223, 12093, 13975, 15093, 16211, 16263, 16965, 17931, 18705, 18765, 19575, 20155, 25155, 27105, 28275, 29025, 29885, 31175, 31275, 33669, 36279, 41925, 45175, 48633, 48789, 50895, 52403, 53793, 56115, 60465, 75465, 77701, 81055, 81315, 84825, 89655, 93525, 93825, 100775, 108837, 125775, 135525, 145899, 149425, 157209, 161379, 168345, 173333, 181395, 233103, 243165, 243945, 254475, 262015, 268965, 280575, 302325, 377325, 388505, 405275, 406575, 437697, 448275, 471627, 519999, 544185, 699309, 729495, 786045, 806895, 841725, 866665, 906975, 1165515, 1215825, 1219725, 1310075, 1344825, 1414881, 1559997, 1942525, 2097927, 2188485, 2253329, 2358135, 2599995, 2720925, 3496545, 3647475, 3930225, 4034475, 4333325, 4679991, 5827575, 6759987, 7074405, 7799985, 10489635, 10942425, 11266645, 11790675, 12999975, 17482725, 20279961, 23399955, 33799935, 35372025, 38999925, 52448175, 56333225, 60839883, 101399805, 116999775, 168999675, 304199415, 506999025, 1520997075]

約数ペア:

[(1, 1520997075), (3, 506999025), (5, 304199415), (9, 168999675), (13, 116999775), (15, 101399805), (25, 60839883), (27, 56333225), (29, 52448175), (39, 38999925), (43, 35372025), (45, 33799935), (65, 23399955), (75, 20279961), (87, 17482725), (117, 12999975), (129, 11790675), (135, 11266645), (139, 10942425), (145, 10489635), (195, 7799985), (215, 7074405), (225, 6759987), (261, 5827575), (325, 4679991), (351, 4333325), (377, 4034475), (387, 3930225), (417, 3647475), (435, 3496545), (559, 2720925), (585, 2599995), (645, 2358135), (675, 2253329), (695, 2188485), (725, 2097927), (783, 1942525), (975, 1559997), (1075, 1414881), (1131, 1344825), (1161, 1310075), (1247, 1219725), (1251, 1215825), (1305, 1165515), (1677, 906975), (1755, 866665), (1807, 841725), (1885, 806895), (1935, 786045), (2085, 729495), (2175, 699309), (2795, 544185), (2925, 519999), (3225, 471627), (3393, 448275), (3475, 437697), (3741, 406575), (3753, 405275), (3915, 388505), (4031, 377325), (5031, 302325), (5421, 280575), (5655, 268965), (5805, 262015), (5977, 254475), (6235, 243945), (6255, 243165), (6525, 233103), (8385, 181395), (8775, 173333), (9035, 168345), (9425, 161379), (9675, 157209), (10179, 149425), (10425, 145899), (11223, 135525), (12093, 125775), (13975, 108837), (15093, 100775), (16211, 93825), (16263, 93525), (16965, 89655), (17931, 84825), (18705, 81315), (18765, 81055), (19575, 77701), (20155, 75465), (25155, 60465), (27105, 56115), (28275, 53793), (29025, 52403), (29885, 50895), (31175, 48789), (31275, 48633), (33669, 45175), (36279, 41925)]