80939700

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{139}}^1\times {\mathrm{647}}^1$

素因数の和:806

約数の個数: 108

約数和(自身を含む): 255921120

約数和(自身を除く): 174981420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 25, 30, 36, 45, 50, 60, 75, 90, 100, 139, 150, 180, 225, 278, 300, 417, 450, 556, 647, 695, 834, 900, 1251, 1294, 1390, 1668, 1941, 2085, 2502, 2588, 2780, 3235, 3475, 3882, 4170, 5004, 5823, 6255, 6470, 6950, 7764, 8340, 9705, 10425, 11646, 12510, 12940, 13900, 16175, 19410, 20850, 23292, 25020, 29115, 31275, 32350, 38820, 41700, 48525, 58230, 62550, 64700, 89933, 97050, 116460, 125100, 145575, 179866, 194100, 269799, 291150, 359732, 449665, 539598, 582300, 809397, 899330, 1079196, 1348995, 1618794, 1798660, 2248325, 2697990, 3237588, 4046985, 4496650, 5395980, 6744975, 8093970, 8993300, 13489950, 16187940, 20234925, 26979900, 40469850, 80939700]

約数ペア:

[(1, 80939700), (2, 40469850), (3, 26979900), (4, 20234925), (5, 16187940), (6, 13489950), (9, 8993300), (10, 8093970), (12, 6744975), (15, 5395980), (18, 4496650), (20, 4046985), (25, 3237588), (30, 2697990), (36, 2248325), (45, 1798660), (50, 1618794), (60, 1348995), (75, 1079196), (90, 899330), (100, 809397), (139, 582300), (150, 539598), (180, 449665), (225, 359732), (278, 291150), (300, 269799), (417, 194100), (450, 179866), (556, 145575), (647, 125100), (695, 116460), (834, 97050), (900, 89933), (1251, 64700), (1294, 62550), (1390, 58230), (1668, 48525), (1941, 41700), (2085, 38820), (2502, 32350), (2588, 31275), (2780, 29115), (3235, 25020), (3475, 23292), (3882, 20850), (4170, 19410), (5004, 16175), (5823, 13900), (6255, 12940), (6470, 12510), (6950, 11646), (7764, 10425), (8340, 9705)]