81764220

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{4219}}^1$

素因数の和:4267

約数の個数: 96

約数和(自身を含む): 255225600

約数和(自身を除く): 173461380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 17, 19, 20, 30, 34, 38, 51, 57, 60, 68, 76, 85, 95, 102, 114, 170, 190, 204, 228, 255, 285, 323, 340, 380, 510, 570, 646, 969, 1020, 1140, 1292, 1615, 1938, 3230, 3876, 4219, 4845, 6460, 8438, 9690, 12657, 16876, 19380, 21095, 25314, 42190, 50628, 63285, 71723, 80161, 84380, 126570, 143446, 160322, 215169, 240483, 253140, 286892, 320644, 358615, 400805, 430338, 480966, 717230, 801610, 860676, 961932, 1075845, 1202415, 1362737, 1434460, 1603220, 2151690, 2404830, 2725474, 4088211, 4303380, 4809660, 5450948, 6813685, 8176422, 13627370, 16352844, 20441055, 27254740, 40882110, 81764220]

約数ペア:

[(1, 81764220), (2, 40882110), (3, 27254740), (4, 20441055), (5, 16352844), (6, 13627370), (10, 8176422), (12, 6813685), (15, 5450948), (17, 4809660), (19, 4303380), (20, 4088211), (30, 2725474), (34, 2404830), (38, 2151690), (51, 1603220), (57, 1434460), (60, 1362737), (68, 1202415), (76, 1075845), (85, 961932), (95, 860676), (102, 801610), (114, 717230), (170, 480966), (190, 430338), (204, 400805), (228, 358615), (255, 320644), (285, 286892), (323, 253140), (340, 240483), (380, 215169), (510, 160322), (570, 143446), (646, 126570), (969, 84380), (1020, 80161), (1140, 71723), (1292, 63285), (1615, 50628), (1938, 42190), (3230, 25314), (3876, 21095), (4219, 19380), (4845, 16876), (6460, 12657), (8438, 9690)]