209215680

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{217933}}^1$

素因数の和:217953

約数の個数: 56

約数和(自身を含む): 664262832

約数和(自身を除く): 455047152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 160, 192, 240, 320, 480, 960, 217933, 435866, 653799, 871732, 1089665, 1307598, 1743464, 2179330, 2615196, 3268995, 3486928, 4358660, 5230392, 6537990, 6973856, 8717320, 10460784, 13075980, 13947712, 17434640, 20921568, 26151960, 34869280, 41843136, 52303920, 69738560, 104607840, 209215680]

約数ペア:

[(1, 209215680), (2, 104607840), (3, 69738560), (4, 52303920), (5, 41843136), (6, 34869280), (8, 26151960), (10, 20921568), (12, 17434640), (15, 13947712), (16, 13075980), (20, 10460784), (24, 8717320), (30, 6973856), (32, 6537990), (40, 5230392), (48, 4358660), (60, 3486928), (64, 3268995), (80, 2615196), (96, 2179330), (120, 1743464), (160, 1307598), (192, 1089665), (240, 871732), (320, 653799), (480, 435866), (960, 217933)]