15981280

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{751}}^1$

素因数の和:792

約数の個数: 96

約数和(自身を含む): 45480960

約数和(自身を除く): 29499680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 32, 35, 38, 40, 56, 70, 76, 80, 95, 112, 133, 140, 152, 160, 190, 224, 266, 280, 304, 380, 532, 560, 608, 665, 751, 760, 1064, 1120, 1330, 1502, 1520, 2128, 2660, 3004, 3040, 3755, 4256, 5257, 5320, 6008, 7510, 10514, 10640, 12016, 14269, 15020, 21028, 21280, 24032, 26285, 28538, 30040, 42056, 52570, 57076, 60080, 71345, 84112, 99883, 105140, 114152, 120160, 142690, 168224, 199766, 210280, 228304, 285380, 399532, 420560, 456608, 499415, 570760, 799064, 841120, 998830, 1141520, 1598128, 1997660, 2283040, 3196256, 3995320, 7990640, 15981280]

約数ペア:

[(1, 15981280), (2, 7990640), (4, 3995320), (5, 3196256), (7, 2283040), (8, 1997660), (10, 1598128), (14, 1141520), (16, 998830), (19, 841120), (20, 799064), (28, 570760), (32, 499415), (35, 456608), (38, 420560), (40, 399532), (56, 285380), (70, 228304), (76, 210280), (80, 199766), (95, 168224), (112, 142690), (133, 120160), (140, 114152), (152, 105140), (160, 99883), (190, 84112), (224, 71345), (266, 60080), (280, 57076), (304, 52570), (380, 42056), (532, 30040), (560, 28538), (608, 26285), (665, 24032), (751, 21280), (760, 21028), (1064, 15020), (1120, 14269), (1330, 12016), (1502, 10640), (1520, 10514), (2128, 7510), (2660, 6008), (3004, 5320), (3040, 5257), (3755, 4256)]