15551150

素因数分解:

$2^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{127}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 30474240

約数和(自身を除く): 14923090

約数列:

[1, 2, 5, 10, 25, 31, 50, 62, 79, 127, 155, 158, 254, 310, 395, 635, 775, 790, 1270, 1550, 1975, 2449, 3175, 3937, 3950, 4898, 6350, 7874, 10033, 12245, 19685, 20066, 24490, 39370, 50165, 61225, 98425, 100330, 122450, 196850, 250825, 311023, 501650, 622046, 1555115, 3110230, 7775575, 15551150]

約数ペア:

[(1, 15551150), (2, 7775575), (5, 3110230), (10, 1555115), (25, 622046), (31, 501650), (50, 311023), (62, 250825), (79, 196850), (127, 122450), (155, 100330), (158, 98425), (254, 61225), (310, 50165), (395, 39370), (635, 24490), (775, 20066), (790, 19685), (1270, 12245), (1550, 10033), (1975, 7874), (2449, 6350), (3175, 4898), (3937, 3950)]