15204260

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 33384960

約数和(自身を除く): 18180700

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 179, 274, 310, 358, 548, 620, 685, 716, 895, 1370, 1790, 2740, 3580, 4247, 5549, 8494, 11098, 16988, 21235, 22196, 24523, 27745, 42470, 49046, 55490, 84940, 98092, 110980, 122615, 245230, 490460, 760213, 1520426, 3040852, 3801065, 7602130, 15204260]

約数ペア:

[(1, 15204260), (2, 7602130), (4, 3801065), (5, 3040852), (10, 1520426), (20, 760213), (31, 490460), (62, 245230), (124, 122615), (137, 110980), (155, 98092), (179, 84940), (274, 55490), (310, 49046), (358, 42470), (548, 27745), (620, 24523), (685, 22196), (716, 21235), (895, 16988), (1370, 11098), (1790, 8494), (2740, 5549), (3580, 4247)]