155135120

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{1993}}^1$

素因数の和:2152

約数の個数: 80

約数和(自身を含む): 415390080

約数和(自身を除く): 260254960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 278, 280, 556, 560, 695, 973, 1112, 1390, 1946, 1993, 2224, 2780, 3892, 3986, 4865, 5560, 7784, 7972, 9730, 9965, 11120, 13951, 15568, 15944, 19460, 19930, 27902, 31888, 38920, 39860, 55804, 69755, 77840, 79720, 111608, 139510, 159440, 223216, 277027, 279020, 554054, 558040, 1108108, 1116080, 1385135, 1939189, 2216216, 2770270, 3878378, 4432432, 5540540, 7756756, 9695945, 11081080, 15513512, 19391890, 22162160, 31027024, 38783780, 77567560, 155135120]

約数ペア:

[(1, 155135120), (2, 77567560), (4, 38783780), (5, 31027024), (7, 22162160), (8, 19391890), (10, 15513512), (14, 11081080), (16, 9695945), (20, 7756756), (28, 5540540), (35, 4432432), (40, 3878378), (56, 2770270), (70, 2216216), (80, 1939189), (112, 1385135), (139, 1116080), (140, 1108108), (278, 558040), (280, 554054), (556, 279020), (560, 277027), (695, 223216), (973, 159440), (1112, 139510), (1390, 111608), (1946, 79720), (1993, 77840), (2224, 69755), (2780, 55804), (3892, 39860), (3986, 38920), (4865, 31888), (5560, 27902), (7784, 19930), (7972, 19460), (9730, 15944), (9965, 15568), (11120, 13951)]