15219780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{8747}}^1$

素因数の和:8788

約数の個数: 48

約数和(自身を含む): 44089920

約数和(自身を除く): 28870140

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 29, 30, 58, 60, 87, 116, 145, 174, 290, 348, 435, 580, 870, 1740, 8747, 17494, 26241, 34988, 43735, 52482, 87470, 104964, 131205, 174940, 253663, 262410, 507326, 524820, 760989, 1014652, 1268315, 1521978, 2536630, 3043956, 3804945, 5073260, 7609890, 15219780]

約数ペア:

[(1, 15219780), (2, 7609890), (3, 5073260), (4, 3804945), (5, 3043956), (6, 2536630), (10, 1521978), (12, 1268315), (15, 1014652), (20, 760989), (29, 524820), (30, 507326), (58, 262410), (60, 253663), (87, 174940), (116, 131205), (145, 104964), (174, 87470), (290, 52482), (348, 43735), (435, 34988), (580, 26241), (870, 17494), (1740, 8747)]