68204080

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{137}}^1$

素因数の和:291

約数の個数: 120

約数和(自身を含む): 187273728

約数和(自身を除く): 119069648

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 49, 56, 70, 80, 98, 112, 127, 137, 140, 196, 245, 254, 274, 280, 392, 490, 508, 548, 560, 635, 685, 784, 889, 959, 980, 1016, 1096, 1270, 1370, 1778, 1918, 1960, 2032, 2192, 2540, 2740, 3556, 3836, 3920, 4445, 4795, 5080, 5480, 6223, 6713, 7112, 7672, 8890, 9590, 10160, 10960, 12446, 13426, 14224, 15344, 17399, 17780, 19180, 24892, 26852, 31115, 33565, 34798, 35560, 38360, 49784, 53704, 62230, 67130, 69596, 71120, 76720, 86995, 99568, 107408, 121793, 124460, 134260, 139192, 173990, 243586, 248920, 268520, 278384, 347980, 487172, 497840, 537040, 608965, 695960, 852551, 974344, 1217930, 1391920, 1705102, 1948688, 2435860, 3410204, 4262755, 4871720, 6820408, 8525510, 9743440, 13640816, 17051020, 34102040, 68204080]

約数ペア:

[(1, 68204080), (2, 34102040), (4, 17051020), (5, 13640816), (7, 9743440), (8, 8525510), (10, 6820408), (14, 4871720), (16, 4262755), (20, 3410204), (28, 2435860), (35, 1948688), (40, 1705102), (49, 1391920), (56, 1217930), (70, 974344), (80, 852551), (98, 695960), (112, 608965), (127, 537040), (137, 497840), (140, 487172), (196, 347980), (245, 278384), (254, 268520), (274, 248920), (280, 243586), (392, 173990), (490, 139192), (508, 134260), (548, 124460), (560, 121793), (635, 107408), (685, 99568), (784, 86995), (889, 76720), (959, 71120), (980, 69596), (1016, 67130), (1096, 62230), (1270, 53704), (1370, 49784), (1778, 38360), (1918, 35560), (1960, 34798), (2032, 33565), (2192, 31115), (2540, 26852), (2740, 24892), (3556, 19180), (3836, 17780), (3920, 17399), (4445, 15344), (4795, 14224), (5080, 13426), (5480, 12446), (6223, 10960), (6713, 10160), (7112, 9590), (7672, 8890)]