155430640

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{349}}^1$

素因数の和:674

約数の個数: 80

約数和(自身を含む): 382788000

約数和(自身を除く): 227357360

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 293, 304, 349, 380, 586, 698, 760, 1172, 1396, 1465, 1520, 1745, 2344, 2792, 2930, 3490, 4688, 5567, 5584, 5860, 6631, 6980, 11134, 11720, 13262, 13960, 22268, 23440, 26524, 27835, 27920, 33155, 44536, 53048, 55670, 66310, 89072, 102257, 106096, 111340, 132620, 204514, 222680, 265240, 409028, 445360, 511285, 530480, 818056, 1022570, 1636112, 1942883, 2045140, 3885766, 4090280, 7771532, 8180560, 9714415, 15543064, 19428830, 31086128, 38857660, 77715320, 155430640]

約数ペア:

[(1, 155430640), (2, 77715320), (4, 38857660), (5, 31086128), (8, 19428830), (10, 15543064), (16, 9714415), (19, 8180560), (20, 7771532), (38, 4090280), (40, 3885766), (76, 2045140), (80, 1942883), (95, 1636112), (152, 1022570), (190, 818056), (293, 530480), (304, 511285), (349, 445360), (380, 409028), (586, 265240), (698, 222680), (760, 204514), (1172, 132620), (1396, 111340), (1465, 106096), (1520, 102257), (1745, 89072), (2344, 66310), (2792, 55670), (2930, 53048), (3490, 44536), (4688, 33155), (5567, 27920), (5584, 27835), (5860, 26524), (6631, 23440), (6980, 22268), (11134, 13960), (11720, 13262)]