72648975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1949}}^1$

素因数の和:2040

約数の個数: 48

約数和(自身を含む): 139276800

約数和(自身を除く): 66627825

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 71, 75, 105, 175, 213, 355, 497, 525, 1065, 1491, 1775, 1949, 2485, 5325, 5847, 7455, 9745, 12425, 13643, 29235, 37275, 40929, 48725, 68215, 138379, 146175, 204645, 341075, 415137, 691895, 968653, 1023225, 2075685, 2905959, 3459475, 4843265, 10378425, 14529795, 24216325, 72648975]

約数ペア:

[(1, 72648975), (3, 24216325), (5, 14529795), (7, 10378425), (15, 4843265), (21, 3459475), (25, 2905959), (35, 2075685), (71, 1023225), (75, 968653), (105, 691895), (175, 415137), (213, 341075), (355, 204645), (497, 146175), (525, 138379), (1065, 68215), (1491, 48725), (1775, 40929), (1949, 37275), (2485, 29235), (5325, 13643), (5847, 12425), (7455, 9745)]