18279960

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{347}}^1\times {\mathrm{439}}^1$

素因数の和:800

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 36843240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 347, 439, 694, 878, 1041, 1317, 1388, 1735, 1756, 2082, 2195, 2634, 2776, 3470, 3512, 4164, 4390, 5205, 5268, 6585, 6940, 8328, 8780, 10410, 10536, 13170, 13880, 17560, 20820, 26340, 41640, 52680, 152333, 304666, 456999, 609332, 761665, 913998, 1218664, 1523330, 1827996, 2284995, 3046660, 3655992, 4569990, 6093320, 9139980, 18279960]

約数ペア:

[(1, 18279960), (2, 9139980), (3, 6093320), (4, 4569990), (5, 3655992), (6, 3046660), (8, 2284995), (10, 1827996), (12, 1523330), (15, 1218664), (20, 913998), (24, 761665), (30, 609332), (40, 456999), (60, 304666), (120, 152333), (347, 52680), (439, 41640), (694, 26340), (878, 20820), (1041, 17560), (1317, 13880), (1388, 13170), (1735, 10536), (1756, 10410), (2082, 8780), (2195, 8328), (2634, 6940), (2776, 6585), (3470, 5268), (3512, 5205), (4164, 4390)]