128899620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{238703}}^1$

素因数の和:238721

約数の個数: 48

約数和(自身を含む): 401022720

約数和(自身を除く): 272123100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 238703, 477406, 716109, 954812, 1193515, 1432218, 2148327, 2387030, 2864436, 3580545, 4296654, 4774060, 6444981, 7161090, 8593308, 10741635, 12889962, 14322180, 21483270, 25779924, 32224905, 42966540, 64449810, 128899620]

約数ペア:

[(1, 128899620), (2, 64449810), (3, 42966540), (4, 32224905), (5, 25779924), (6, 21483270), (9, 14322180), (10, 12889962), (12, 10741635), (15, 8593308), (18, 7161090), (20, 6444981), (27, 4774060), (30, 4296654), (36, 3580545), (45, 2864436), (54, 2387030), (60, 2148327), (90, 1432218), (108, 1193515), (135, 954812), (180, 716109), (270, 477406), (540, 238703)]