15354180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{197}}^1\times {\mathrm{433}}^1$

素因数の和:645

約数の個数: 72

約数和(自身を含む): 46918872

約数和(自身を除く): 31564692

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 197, 394, 433, 591, 788, 866, 985, 1182, 1299, 1732, 1773, 1970, 2165, 2364, 2598, 2955, 3546, 3897, 3940, 4330, 5196, 5910, 6495, 7092, 7794, 8660, 8865, 11820, 12990, 15588, 17730, 19485, 25980, 35460, 38970, 77940, 85301, 170602, 255903, 341204, 426505, 511806, 767709, 853010, 1023612, 1279515, 1535418, 1706020, 2559030, 3070836, 3838545, 5118060, 7677090, 15354180]

約数ペア:

[(1, 15354180), (2, 7677090), (3, 5118060), (4, 3838545), (5, 3070836), (6, 2559030), (9, 1706020), (10, 1535418), (12, 1279515), (15, 1023612), (18, 853010), (20, 767709), (30, 511806), (36, 426505), (45, 341204), (60, 255903), (90, 170602), (180, 85301), (197, 77940), (394, 38970), (433, 35460), (591, 25980), (788, 19485), (866, 17730), (985, 15588), (1182, 12990), (1299, 11820), (1732, 8865), (1773, 8660), (1970, 7794), (2165, 7092), (2364, 6495), (2598, 5910), (2955, 5196), (3546, 4330), (3897, 3940)]