177264540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{4999}}^1$

素因数の和:5211

約数の個数: 72

約数和(自身を含む): 540540000

約数和(自身を除く): 363275460

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 591, 788, 985, 1182, 1773, 1970, 2364, 2955, 3546, 3940, 4999, 5910, 7092, 8865, 9998, 11820, 14997, 17730, 19996, 24995, 29994, 35460, 44991, 49990, 59988, 74985, 89982, 99980, 149970, 179964, 224955, 299940, 449910, 899820, 984803, 1969606, 2954409, 3939212, 4924015, 5908818, 8863227, 9848030, 11817636, 14772045, 17726454, 19696060, 29544090, 35452908, 44316135, 59088180, 88632270, 177264540]

約数ペア:

[(1, 177264540), (2, 88632270), (3, 59088180), (4, 44316135), (5, 35452908), (6, 29544090), (9, 19696060), (10, 17726454), (12, 14772045), (15, 11817636), (18, 9848030), (20, 8863227), (30, 5908818), (36, 4924015), (45, 3939212), (60, 2954409), (90, 1969606), (180, 984803), (197, 899820), (394, 449910), (591, 299940), (788, 224955), (985, 179964), (1182, 149970), (1773, 99980), (1970, 89982), (2364, 74985), (2955, 59988), (3546, 49990), (3940, 44991), (4999, 35460), (5910, 29994), (7092, 24995), (8865, 19996), (9998, 17730), (11820, 14997)]