80907120

素因数分解:

$2^4\times 3^3\times 5^1\times 7^1\times {\mathrm{5351}}^1$

素因数の和:5380

約数の個数: 160

約数和(自身を含む): 318551040

約数和(自身を除く): 237643920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 336, 360, 378, 420, 432, 504, 540, 560, 630, 720, 756, 840, 945, 1008, 1080, 1260, 1512, 1680, 1890, 2160, 2520, 3024, 3780, 5040, 5351, 7560, 10702, 15120, 16053, 21404, 26755, 32106, 37457, 42808, 48159, 53510, 64212, 74914, 80265, 85616, 96318, 107020, 112371, 128424, 144477, 149828, 160530, 187285, 192636, 214040, 224742, 240795, 256848, 288954, 299656, 321060, 337113, 374570, 385272, 428080, 449484, 481590, 561855, 577908, 599312, 642120, 674226, 722385, 749140, 770544, 898968, 963180, 1011339, 1123710, 1155816, 1284240, 1348452, 1444770, 1498280, 1685565, 1797936, 1926360, 2022678, 2247420, 2311632, 2696904, 2889540, 2996560, 3371130, 3852720, 4045356, 4494840, 5056695, 5393808, 5779080, 6742260, 8090712, 8989680, 10113390, 11558160, 13484520, 16181424, 20226780, 26969040, 40453560, 80907120]

約数ペア:

[(1, 80907120), (2, 40453560), (3, 26969040), (4, 20226780), (5, 16181424), (6, 13484520), (7, 11558160), (8, 10113390), (9, 8989680), (10, 8090712), (12, 6742260), (14, 5779080), (15, 5393808), (16, 5056695), (18, 4494840), (20, 4045356), (21, 3852720), (24, 3371130), (27, 2996560), (28, 2889540), (30, 2696904), (35, 2311632), (36, 2247420), (40, 2022678), (42, 1926360), (45, 1797936), (48, 1685565), (54, 1498280), (56, 1444770), (60, 1348452), (63, 1284240), (70, 1155816), (72, 1123710), (80, 1011339), (84, 963180), (90, 898968), (105, 770544), (108, 749140), (112, 722385), (120, 674226), (126, 642120), (135, 599312), (140, 577908), (144, 561855), (168, 481590), (180, 449484), (189, 428080), (210, 385272), (216, 374570), (240, 337113), (252, 321060), (270, 299656), (280, 288954), (315, 256848), (336, 240795), (360, 224742), (378, 214040), (420, 192636), (432, 187285), (504, 160530), (540, 149828), (560, 144477), (630, 128424), (720, 112371), (756, 107020), (840, 96318), (945, 85616), (1008, 80265), (1080, 74914), (1260, 64212), (1512, 53510), (1680, 48159), (1890, 42808), (2160, 37457), (2520, 32106), (3024, 26755), (3780, 21404), (5040, 16053), (5351, 15120), (7560, 10702)]