18503880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{271}}^1\times {\mathrm{569}}^1$

素因数の和:854

約数の個数: 64

約数和(自身を含む): 55814400

約数和(自身を除く): 37310520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 271, 542, 569, 813, 1084, 1138, 1355, 1626, 1707, 2168, 2276, 2710, 2845, 3252, 3414, 4065, 4552, 5420, 5690, 6504, 6828, 8130, 8535, 10840, 11380, 13656, 16260, 17070, 22760, 32520, 34140, 68280, 154199, 308398, 462597, 616796, 770995, 925194, 1233592, 1541990, 1850388, 2312985, 3083980, 3700776, 4625970, 6167960, 9251940, 18503880]

約数ペア:

[(1, 18503880), (2, 9251940), (3, 6167960), (4, 4625970), (5, 3700776), (6, 3083980), (8, 2312985), (10, 1850388), (12, 1541990), (15, 1233592), (20, 925194), (24, 770995), (30, 616796), (40, 462597), (60, 308398), (120, 154199), (271, 68280), (542, 34140), (569, 32520), (813, 22760), (1084, 17070), (1138, 16260), (1355, 13656), (1626, 11380), (1707, 10840), (2168, 8535), (2276, 8130), (2710, 6828), (2845, 6504), (3252, 5690), (3414, 5420), (4065, 4552)]