80177580

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21211}}^1$

素因数の和:21236

約数の個数: 96

約数和(自身を含む): 285089280

約数和(自身を除く): 204911700

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21211, 42422, 63633, 84844, 106055, 127266, 148477, 190899, 212110, 254532, 296954, 318165, 381798, 424220, 445431, 572697, 593908, 636330, 742385, 763596, 890862, 954495, 1145394, 1272660, 1336293, 1484770, 1781724, 1908990, 2227155, 2290788, 2672586, 2863485, 2969540, 3817980, 4008879, 4454310, 5345172, 5726970, 6681465, 8017758, 8908620, 11453940, 13362930, 16035516, 20044395, 26725860, 40088790, 80177580]

約数ペア:

[(1, 80177580), (2, 40088790), (3, 26725860), (4, 20044395), (5, 16035516), (6, 13362930), (7, 11453940), (9, 8908620), (10, 8017758), (12, 6681465), (14, 5726970), (15, 5345172), (18, 4454310), (20, 4008879), (21, 3817980), (27, 2969540), (28, 2863485), (30, 2672586), (35, 2290788), (36, 2227155), (42, 1908990), (45, 1781724), (54, 1484770), (60, 1336293), (63, 1272660), (70, 1145394), (84, 954495), (90, 890862), (105, 763596), (108, 742385), (126, 636330), (135, 593908), (140, 572697), (180, 445431), (189, 424220), (210, 381798), (252, 318165), (270, 296954), (315, 254532), (378, 212110), (420, 190899), (540, 148477), (630, 127266), (756, 106055), (945, 84844), (1260, 63633), (1890, 42422), (3780, 21211)]