30408520

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{179}}^1$

素因数の和:358

約数の個数: 64

約数和(自身を含む): 71539200

約数和(自身を除く): 41130680

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 137, 155, 179, 248, 274, 310, 358, 548, 620, 685, 716, 895, 1096, 1240, 1370, 1432, 1790, 2740, 3580, 4247, 5480, 5549, 7160, 8494, 11098, 16988, 21235, 22196, 24523, 27745, 33976, 42470, 44392, 49046, 55490, 84940, 98092, 110980, 122615, 169880, 196184, 221960, 245230, 490460, 760213, 980920, 1520426, 3040852, 3801065, 6081704, 7602130, 15204260, 30408520]

約数ペア:

[(1, 30408520), (2, 15204260), (4, 7602130), (5, 6081704), (8, 3801065), (10, 3040852), (20, 1520426), (31, 980920), (40, 760213), (62, 490460), (124, 245230), (137, 221960), (155, 196184), (179, 169880), (248, 122615), (274, 110980), (310, 98092), (358, 84940), (548, 55490), (620, 49046), (685, 44392), (716, 42470), (895, 33976), (1096, 27745), (1240, 24523), (1370, 22196), (1432, 21235), (1790, 16988), (2740, 11098), (3580, 8494), (4247, 7160), (5480, 5549)]