81394907440

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1887637}}^1$

素因数の和:1887675

約数の個数: 120

約数和(自身を含む): 240152856912

約数和(自身を除く): 158757949472

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 49, 55, 56, 70, 77, 80, 88, 98, 110, 112, 140, 154, 176, 196, 220, 245, 280, 308, 385, 392, 440, 490, 539, 560, 616, 770, 784, 880, 980, 1078, 1232, 1540, 1960, 2156, 2695, 3080, 3920, 4312, 5390, 6160, 8624, 10780, 21560, 43120, 1887637, 3775274, 7550548, 9438185, 13213459, 15101096, 18876370, 20764007, 26426918, 30202192, 37752740, 41528014, 52853836, 66067295, 75505480, 83056028, 92494213, 103820035, 105707672, 132134590, 145348049, 151010960, 166112056, 184988426, 207640070, 211415344, 264269180, 290696098, 332224112, 369976852, 415280140, 462471065, 528538360, 581392196, 726740245, 739953704, 830560280, 924942130, 1017436343, 1057076720, 1162784392, 1453480490, 1479907408, 1661120560, 1849884260, 2034872686, 2325568784, 2906960980, 3699768520, 4069745372, 5087181715, 5813921960, 7399537040, 8139490744, 10174363430, 11627843920, 16278981488, 20348726860, 40697453720, 81394907440]

約数ペア:

[(1, 81394907440), (2, 40697453720), (4, 20348726860), (5, 16278981488), (7, 11627843920), (8, 10174363430), (10, 8139490744), (11, 7399537040), (14, 5813921960), (16, 5087181715), (20, 4069745372), (22, 3699768520), (28, 2906960980), (35, 2325568784), (40, 2034872686), (44, 1849884260), (49, 1661120560), (55, 1479907408), (56, 1453480490), (70, 1162784392), (77, 1057076720), (80, 1017436343), (88, 924942130), (98, 830560280), (110, 739953704), (112, 726740245), (140, 581392196), (154, 528538360), (176, 462471065), (196, 415280140), (220, 369976852), (245, 332224112), (280, 290696098), (308, 264269180), (385, 211415344), (392, 207640070), (440, 184988426), (490, 166112056), (539, 151010960), (560, 145348049), (616, 132134590), (770, 105707672), (784, 103820035), (880, 92494213), (980, 83056028), (1078, 75505480), (1232, 66067295), (1540, 52853836), (1960, 41528014), (2156, 37752740), (2695, 30202192), (3080, 26426918), (3920, 20764007), (4312, 18876370), (5390, 15101096), (6160, 13213459), (8624, 9438185), (10780, 7550548), (21560, 3775274), (43120, 1887637)]