61761280

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{113}}^1$

素因数の和:202

約数の個数: 144

約数和(自身を含む): 173363904

約数和(自身を除く): 111602624

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 61, 64, 70, 80, 112, 113, 122, 128, 140, 160, 224, 226, 244, 256, 280, 305, 320, 427, 448, 452, 488, 560, 565, 610, 640, 791, 854, 896, 904, 976, 1120, 1130, 1220, 1280, 1582, 1708, 1792, 1808, 1952, 2135, 2240, 2260, 2440, 3164, 3416, 3616, 3904, 3955, 4270, 4480, 4520, 4880, 6328, 6832, 6893, 7232, 7808, 7910, 8540, 8960, 9040, 9760, 12656, 13664, 13786, 14464, 15616, 15820, 17080, 18080, 19520, 25312, 27328, 27572, 28928, 31640, 34160, 34465, 36160, 39040, 48251, 50624, 54656, 55144, 63280, 68320, 68930, 72320, 78080, 96502, 101248, 109312, 110288, 126560, 136640, 137860, 144640, 193004, 202496, 220576, 241255, 253120, 273280, 275720, 386008, 441152, 482510, 506240, 546560, 551440, 772016, 882304, 965020, 1012480, 1102880, 1544032, 1764608, 1930040, 2205760, 3088064, 3860080, 4411520, 6176128, 7720160, 8823040, 12352256, 15440320, 30880640, 61761280]

約数ペア:

[(1, 61761280), (2, 30880640), (4, 15440320), (5, 12352256), (7, 8823040), (8, 7720160), (10, 6176128), (14, 4411520), (16, 3860080), (20, 3088064), (28, 2205760), (32, 1930040), (35, 1764608), (40, 1544032), (56, 1102880), (61, 1012480), (64, 965020), (70, 882304), (80, 772016), (112, 551440), (113, 546560), (122, 506240), (128, 482510), (140, 441152), (160, 386008), (224, 275720), (226, 273280), (244, 253120), (256, 241255), (280, 220576), (305, 202496), (320, 193004), (427, 144640), (448, 137860), (452, 136640), (488, 126560), (560, 110288), (565, 109312), (610, 101248), (640, 96502), (791, 78080), (854, 72320), (896, 68930), (904, 68320), (976, 63280), (1120, 55144), (1130, 54656), (1220, 50624), (1280, 48251), (1582, 39040), (1708, 36160), (1792, 34465), (1808, 34160), (1952, 31640), (2135, 28928), (2240, 27572), (2260, 27328), (2440, 25312), (3164, 19520), (3416, 18080), (3616, 17080), (3904, 15820), (3955, 15616), (4270, 14464), (4480, 13786), (4520, 13664), (4880, 12656), (6328, 9760), (6832, 9040), (6893, 8960), (7232, 8540), (7808, 7910)]